diff --git a/Cargo.lock b/Cargo.lock
index 96dc56ab189b0..4f65c39bc204c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3570,9 +3570,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-demangle"
-version = "0.1.27"
+version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b50b8869d9fc858ce7266cce0194bd74df58b9d0e3f6df3a9fc8eb470d95c09d"
+checksum = "b74b56ffa8bb2830709a538c2cbcae9aa062db0d2a42563bfb09bdaae44020eb"
 
 [[package]]
 name = "rustc-hash"
diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs
index e25c1a0b31937..5855d09789a30 100644
--- a/compiler/rustc_ast/src/visit.rs
+++ b/compiler/rustc_ast/src/visit.rs
@@ -323,7 +323,7 @@ macro_rules! common_visitor_and_walkers {
             Closure(&'a $($mut)? ClosureBinder, &'a $($mut)? Option<CoroutineKind>, &'a $($mut)? Box<FnDecl>, &'a $($mut)? Box<Expr>),
         }
 
-        impl<'a> FnKind<'a> {
+        impl<'a> FnKind<'_> {
             pub fn header(&'a $($mut)? self) -> Option<&'a $($mut)? FnHeader> {
                 match *self {
                     FnKind::Fn(_, _, Fn { sig, .. }) => Some(&$($mut)? sig.header),
diff --git a/compiler/rustc_ast_lowering/src/diagnostics.rs b/compiler/rustc_ast_lowering/src/diagnostics.rs
index 2d559f97ae1e8..2fbf8fac4c64e 100644
--- a/compiler/rustc_ast_lowering/src/diagnostics.rs
+++ b/compiler/rustc_ast_lowering/src/diagnostics.rs
@@ -365,6 +365,7 @@ pub(crate) struct MatchArmWithNoBody {
     pub span: Span,
     #[suggestion(
         "add a body after the pattern",
+        // ignore-tidy-todo
         code = " => todo!(),",
         applicability = "has-placeholders"
     )]
diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs
index 281f417500c55..a4d179d959f39 100644
--- a/compiler/rustc_ast_passes/src/ast_validation.rs
+++ b/compiler/rustc_ast_passes/src/ast_validation.rs
@@ -1517,7 +1517,7 @@ impl Visitor<'_> for AstValidator<'_> {
                 }
                 visit::walk_item(self, item)
             }
-            ItemKind::Struct(ident, generics, vdata) => {
+            ItemKind::Struct(.., vdata) => {
                 self.with_tilde_const(Some(TildeConstReason::Struct { span: item.span }), |this| {
                     // Scalable vectors can only be tuple structs
                     let scalable_vector_attr =
@@ -1536,29 +1536,15 @@ impl Visitor<'_> for AstValidator<'_> {
                         }
                     }
 
-                    match vdata {
-                        VariantData::Struct { fields, .. } => {
-                            this.visit_attrs_vis_ident(&item.attrs, &item.vis, ident);
-                            this.visit_generics(generics);
-                            walk_list!(this, visit_field_def, fields);
-                        }
-                        _ => visit::walk_item(this, item),
-                    }
+                    visit::walk_item(this, item);
                 })
             }
-            ItemKind::Union(ident, generics, vdata) => {
+            ItemKind::Union(.., vdata) => {
                 if vdata.fields().is_empty() {
                     self.dcx().emit_err(diagnostics::FieldlessUnion { span: item.span });
                 }
                 self.with_tilde_const(Some(TildeConstReason::Union { span: item.span }), |this| {
-                    match vdata {
-                        VariantData::Struct { fields, .. } => {
-                            this.visit_attrs_vis_ident(&item.attrs, &item.vis, ident);
-                            this.visit_generics(generics);
-                            walk_list!(this, visit_field_def, fields);
-                        }
-                        _ => visit::walk_item(this, item),
-                    }
+                    visit::walk_item(this, item)
                 });
             }
             ItemKind::Const(ConstItem { defaultness, ident, rhs_kind, .. }) => {
diff --git a/compiler/rustc_ast_passes/src/diagnostics.rs b/compiler/rustc_ast_passes/src/diagnostics.rs
index 0b610431cadd8..affe69bd7c5e8 100644
--- a/compiler/rustc_ast_passes/src/diagnostics.rs
+++ b/compiler/rustc_ast_passes/src/diagnostics.rs
@@ -999,6 +999,7 @@ pub(crate) struct MatchArmWithNoBody {
     // resulting code to be correct.
     #[suggestion(
         "add a body after the pattern",
+        // ignore-tidy-todo
         code = " => {{ todo!() }}",
         applicability = "has-placeholders",
         style = "verbose"
diff --git a/compiler/rustc_attr_parsing/src/attributes/test_attrs.rs b/compiler/rustc_attr_parsing/src/attributes/test_attrs.rs
index 8905591bdba5a..780b9e185b0ed 100644
--- a/compiler/rustc_attr_parsing/src/attributes/test_attrs.rs
+++ b/compiler/rustc_attr_parsing/src/attributes/test_attrs.rs
@@ -214,3 +214,14 @@ impl SingleAttributeParser for RustcTestMarkerParser {
         Some(AttributeKind::RustcTestMarker(value_str))
     }
 }
+
+pub(crate) struct RustcTestEntrypointMarkerParser;
+
+impl NoArgsAttributeParser for RustcTestEntrypointMarkerParser {
+    const PATH: &[Symbol] = &[sym::rustc_test_entrypoint_marker];
+    const ALLOWED_TARGETS: AllowedTargets<'_> =
+        AllowedTargets::AllowList(&[Allow(Target::Fn), Allow(Target::Closure)]);
+    const ON_DUPLICATE: OnDuplicate = OnDuplicate::Warn;
+    const STABILITY: AttributeStability = unstable!(rustc_attrs);
+    const CREATE: fn(Span) -> AttributeKind = |_| AttributeKind::RustcTestEntrypointMarker;
+}
diff --git a/compiler/rustc_attr_parsing/src/context.rs b/compiler/rustc_attr_parsing/src/context.rs
index 1595d2f80ddc7..e094447ec454b 100644
--- a/compiler/rustc_attr_parsing/src/context.rs
+++ b/compiler/rustc_attr_parsing/src/context.rs
@@ -328,6 +328,7 @@ attribute_parsers!(
         Single<WithoutArgs<RustcSpecializationTraitParser>>,
         Single<WithoutArgs<RustcStdInternalSymbolParser>>,
         Single<WithoutArgs<RustcStrictCoherenceParser>>,
+        Single<WithoutArgs<RustcTestEntrypointMarkerParser>>,
         Single<WithoutArgs<RustcTrivialFieldReadsParser>>,
         Single<WithoutArgs<RustcUnsafeSpecializationMarkerParser>>,
         Single<WithoutArgs<SplatParser>>,
diff --git a/compiler/rustc_attr_parsing/src/parser.rs b/compiler/rustc_attr_parsing/src/parser.rs
index 5450a51484542..45974f26d7667 100644
--- a/compiler/rustc_attr_parsing/src/parser.rs
+++ b/compiler/rustc_attr_parsing/src/parser.rs
@@ -301,11 +301,13 @@ impl MetaItemOrLitParser {
     }
 }
 
-// FIXME(scrabsha): once #155696 is merged, update this and mention the higher-level APIs.
 /// Utility that deconstructs a MetaItem into usable parts.
 ///
 /// MetaItems are syntactically extremely flexible, but specific attributes want to parse
-/// them in custom, more restricted ways. This can be done using this struct.
+/// them in custom, more restricted ways. For common argument shapes, prefer the higher-level
+/// [`AcceptContext::expect_list`](crate::context::AcceptContext::expect_list) and
+/// [`AcceptContext::expect_single`](crate::context::AcceptContext::expect_single) helpers.
+/// Use this struct when parsing a custom restricted syntax.
 ///
 /// MetaItems consist of some path, and some args. The args could be empty. In other words:
 ///
diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
index 7d29a931f9c13..017df0e0f97fc 100644
--- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
+++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 
 use std::iter;
 use std::ops::ControlFlow;
@@ -681,7 +681,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
             hir::ExprKind::Call(callee, _)
                 if let &ty::FnDef(_, args) = typeck.node_type(callee.hir_id).kind() =>
             {
-                args
+                args.no_bound_vars().unwrap()
             }
             _ => return None,
         };
diff --git a/compiler/rustc_borrowck/src/diagnostics/mod.rs b/compiler/rustc_borrowck/src/diagnostics/mod.rs
index a5b7a26a10ab4..adf727eead01a 100644
--- a/compiler/rustc_borrowck/src/diagnostics/mod.rs
+++ b/compiler/rustc_borrowck/src/diagnostics/mod.rs
@@ -985,6 +985,8 @@ impl<'tcx> BorrowedContentSource<'tcx> {
             ty::FnDef(def_id, args) => {
                 let trait_id = tcx.trait_of_assoc(def_id)?;
 
+                let args = args.no_bound_vars().unwrap();
+
                 if tcx.is_lang_item(trait_id, LangItem::Deref)
                     || tcx.is_lang_item(trait_id, LangItem::DerefMut)
                 {
diff --git a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs
index cc02206c50649..e4faa63b301e1 100644
--- a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs
+++ b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs
@@ -647,7 +647,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
             hir::ExprKind::Call(callee, _) => {
                 let ty = typeck_result.node_type_opt(callee.hir_id)?;
                 let ty::FnDef(fn_def_id, args) = *ty.kind() else { return None };
-                tcx.predicates_of(fn_def_id).instantiate(tcx, args)
+                tcx.predicates_of(fn_def_id).instantiate(tcx, args.no_bound_vars().unwrap())
             }
             hir::ExprKind::MethodCall(..) => {
                 let (_, method) = typeck_result.type_dependent_def(parent.hir_id)?;
diff --git a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs
index a4025f28a5511..7fee8ec637216 100644
--- a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs
+++ b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs
@@ -1241,7 +1241,13 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
                             typeck_results.node_type_opt(expr.hir_id).as_ref().map(|ty| ty.kind())
                         {
                             let arg_pos = args.iter().position(|arg| arg.hir_id == closure_id)?;
-                            Some((*def_id, expr.span, arg_pos, arg_pos, generic_args))
+                            Some((
+                                *def_id,
+                                expr.span,
+                                arg_pos,
+                                arg_pos,
+                                generic_args.no_bound_vars().unwrap(),
+                            ))
                         } else {
                             None
                         }
@@ -1914,7 +1920,7 @@ fn suggest_ampmut<'tcx>(
                 let trait_ref = ty::TraitRef::from_assoc(
                     tcx,
                     tcx.require_lang_item(hir::LangItem::IndexMut, rhs_span),
-                    method_args,
+                    method_args.no_bound_vars().unwrap(),
                 );
                 // The type only implements `Index` but not `IndexMut`, we must not suggest `&mut`.
                 if !infcx
diff --git a/compiler/rustc_borrowck/src/diagnostics/region_errors.rs b/compiler/rustc_borrowck/src/diagnostics/region_errors.rs
index 112f3e2406943..5d48fb5197b56 100644
--- a/compiler/rustc_borrowck/src/diagnostics/region_errors.rs
+++ b/compiler/rustc_borrowck/src/diagnostics/region_errors.rs
@@ -959,7 +959,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
             tcx,
             self.infcx.typing_env(self.infcx.param_env),
             fn_did,
-            self.infcx.resolve_vars_if_possible(args),
+            self.infcx.resolve_vars_if_possible(args.no_bound_vars().unwrap()),
         ) else {
             return;
         };
diff --git a/compiler/rustc_borrowck/src/places_conflict.rs b/compiler/rustc_borrowck/src/places_conflict.rs
index 60676ac6b8644..e966e83435ef3 100644
--- a/compiler/rustc_borrowck/src/places_conflict.rs
+++ b/compiler/rustc_borrowck/src/places_conflict.rs
@@ -520,7 +520,7 @@ fn place_projection_conflict<'tcx>(
         ),
 
         (ProjectionElem::UnwrapUnsafeBinder(_), _) => {
-            todo!()
+            unimplemented!()
         }
     }
 }
diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs
index 6de1588e74f1f..9c4b1f998dcee 100644
--- a/compiler/rustc_borrowck/src/type_check/mod.rs
+++ b/compiler/rustc_borrowck/src/type_check/mod.rs
@@ -1830,6 +1830,7 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> {
             }
 
             if let ty::FnDef(def_id, args) = *constant.const_.ty().kind() {
+                let args = args.no_bound_vars().unwrap();
                 let instantiated_predicates = tcx.predicates_of(def_id).instantiate(tcx, args);
                 self.normalize_and_prove_instantiated_predicates(
                     def_id,
diff --git a/compiler/rustc_borrowck/src/universal_regions.rs b/compiler/rustc_borrowck/src/universal_regions.rs
index 8999ccb42f388..03a543d5bb4b2 100644
--- a/compiler/rustc_borrowck/src/universal_regions.rs
+++ b/compiler/rustc_borrowck/src/universal_regions.rs
@@ -398,7 +398,7 @@ impl<'tcx> UniversalRegions<'tcx> {
                 });
             }
             DefiningTy::CoroutineClosure(..) => {
-                todo!()
+                unimplemented!()
             }
             DefiningTy::Coroutine(def_id, args) => {
                 let v = with_no_trimmed_paths!(
@@ -603,7 +603,9 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> {
                     ty::CoroutineClosure(def_id, args) => {
                         DefiningTy::CoroutineClosure(def_id, args)
                     }
-                    ty::FnDef(def_id, args) => DefiningTy::FnDef(def_id, args),
+                    ty::FnDef(def_id, args) => {
+                        DefiningTy::FnDef(def_id, args.no_bound_vars().unwrap())
+                    }
                     _ => span_bug!(
                         tcx.def_span(self.mir_def),
                         "expected defining type for `{:?}`: `{:?}`",
diff --git a/compiler/rustc_builtin_macros/src/autodiff.rs b/compiler/rustc_builtin_macros/src/autodiff.rs
index 1b9305a3d5851..d682afad25966 100644
--- a/compiler/rustc_builtin_macros/src/autodiff.rs
+++ b/compiler/rustc_builtin_macros/src/autodiff.rs
@@ -564,7 +564,7 @@ mod llvm_enzyme {
                 .iter()
                 .map(|arg| match arg.pat.kind {
                     PatKind::Ident(_, ident, _) => ecx.expr_path(ecx.path_ident(span, ident)),
-                    _ => todo!(),
+                    _ => unimplemented!(),
                 })
                 .collect::<ThinVec<_>>(),
         );
diff --git a/compiler/rustc_builtin_macros/src/eii.rs b/compiler/rustc_builtin_macros/src/eii.rs
index 7ff7592bc1582..87cc78bcc1e4b 100644
--- a/compiler/rustc_builtin_macros/src/eii.rs
+++ b/compiler/rustc_builtin_macros/src/eii.rs
@@ -203,6 +203,13 @@ fn split_attrs(
                 foreign_item_attributes.push(attr.clone());
                 macro_attributes.push(attr);
             }
+            // `#[track_caller]` goes on the foreign item only: it's the symbol callers link
+            // against, so it must carry the flag for call sites to pass the caller location.
+            // Implementations derive it during codegen (see `EiiImpls` in `codegen_attrs.rs`),
+            // so it must not be routed onto the default impl here.
+            Some(sym::track_caller) => {
+                foreign_item_attributes.push(attr);
+            }
             // Doc attributes should be forwarded to the macro and the foreign item, since those are
             // the two items you interact with as a user.
             // FIXME: idk yet how EIIs show up in docs, might want to customize
diff --git a/compiler/rustc_builtin_macros/src/test.rs b/compiler/rustc_builtin_macros/src/test.rs
index 8d6b3adf36db8..cbab0b7e3010b 100644
--- a/compiler/rustc_builtin_macros/src/test.rs
+++ b/compiler/rustc_builtin_macros/src/test.rs
@@ -24,6 +24,9 @@ use crate::util::{check_builtin_macro_attribute, warn_on_duplicate_attribute};
 ///
 /// We mark item with an inert attribute "rustc_test_marker" which the test generation
 /// logic will pick up on.
+///
+/// The test function also gains a `#[rustc_test_entrypoint_marker]` attribute for tools to pick up
+/// on. This behavior is *unstable*.
 pub(crate) fn expand_test_case(
     ecx: &mut ExtCtxt<'_>,
     attr_sp: Span,
@@ -377,6 +380,12 @@ pub(crate) fn expand_test_or_bench(
     let test_extern =
         cx.item(sp, ast::AttrVec::new(), ast::ItemKind::ExternCrate(None, test_ident));
 
+    let item = {
+        let mut item = item;
+        item.attrs.push(cx.attr_word(sym::rustc_test_entrypoint_marker, attr_sp));
+        item
+    };
+
     debug!("synthetic test item:\n{}\n", pprust::item_to_string(&test_const));
 
     if is_stmt {
diff --git a/compiler/rustc_codegen_cranelift/src/abi/mod.rs b/compiler/rustc_codegen_cranelift/src/abi/mod.rs
index ec17e72900dfb..4871e80a75645 100644
--- a/compiler/rustc_codegen_cranelift/src/abi/mod.rs
+++ b/compiler/rustc_codegen_cranelift/src/abi/mod.rs
@@ -421,7 +421,7 @@ pub(crate) fn codegen_terminator_call<'tcx>(
             fx.tcx,
             ty::TypingEnv::fully_monomorphized(),
             def_id,
-            fn_args,
+            fn_args.no_bound_vars().unwrap(),
             source_info.span,
         );
 
diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs
index bf6a98866cd12..9bf379c03687c 100644
--- a/compiler/rustc_codegen_cranelift/src/base.rs
+++ b/compiler/rustc_codegen_cranelift/src/base.rs
@@ -717,7 +717,7 @@ fn codegen_stmt<'tcx>(fx: &mut FunctionCx<'_, '_, 'tcx>, cur_block: Block, stmt:
                                     fx.tcx,
                                     ty::TypingEnv::fully_monomorphized(),
                                     def_id,
-                                    args,
+                                    args.no_bound_vars().unwrap(),
                                 )
                                 .unwrap(),
                             );
diff --git a/compiler/rustc_codegen_cranelift/src/inline_asm.rs b/compiler/rustc_codegen_cranelift/src/inline_asm.rs
index f9fc7002be87b..cc849759754ee 100644
--- a/compiler/rustc_codegen_cranelift/src/inline_asm.rs
+++ b/compiler/rustc_codegen_cranelift/src/inline_asm.rs
@@ -117,7 +117,7 @@ pub(crate) fn codegen_inline_asm_terminator<'tcx>(
                         fx.tcx,
                         ty::TypingEnv::fully_monomorphized(),
                         def_id,
-                        args,
+                        args.no_bound_vars().unwrap(),
                     )
                     .unwrap();
                     let symbol = fx.tcx.symbol_name(instance);
diff --git a/compiler/rustc_codegen_gcc/src/common.rs b/compiler/rustc_codegen_gcc/src/common.rs
index 7450f11f3ce80..e73b8aab54d73 100644
--- a/compiler/rustc_codegen_gcc/src/common.rs
+++ b/compiler/rustc_codegen_gcc/src/common.rs
@@ -2,12 +2,12 @@ use gccjit::{LValue, RValue, ToRValue, Type};
 use rustc_abi::Primitive::Pointer;
 use rustc_abi::{self as abi, HasDataLayout};
 use rustc_codegen_ssa::traits::{
-    BaseTypeCodegenMethods, ConstCodegenMethods, MiscCodegenMethods, PacMetadata,
-    StaticCodegenMethods,
+    BaseTypeCodegenMethods, ConstCodegenMethods, MiscCodegenMethods, StaticCodegenMethods,
 };
 use rustc_middle::mir::Mutability;
 use rustc_middle::mir::interpret::{GlobalAlloc, PointerArithmetic, Scalar};
 use rustc_middle::ty::layout::LayoutOf;
+use rustc_session::PointerAuthSchema;
 
 use crate::consts::const_alloc_to_gcc;
 use crate::context::{CodegenCx, new_array_type};
@@ -247,7 +247,7 @@ impl<'gcc, 'tcx> ConstCodegenMethods for CodegenCx<'gcc, 'tcx> {
         cv: Scalar,
         layout: abi::Scalar,
         ty: Type<'gcc>,
-        _pac: Option<PacMetadata>,
+        _schema: Option<&PointerAuthSchema>,
     ) -> RValue<'gcc> {
         let bitsize = if layout.is_bool() { 1 } else { layout.size(self).bits() };
         match cv {
diff --git a/compiler/rustc_codegen_gcc/src/context.rs b/compiler/rustc_codegen_gcc/src/context.rs
index 3a6c415b38963..0e3fa72fbcfb3 100644
--- a/compiler/rustc_codegen_gcc/src/context.rs
+++ b/compiler/rustc_codegen_gcc/src/context.rs
@@ -5,9 +5,7 @@ use gccjit::{Block, CType, Context, Function, FunctionType, LValue, Location, RV
 use rustc_abi::{Align, HasDataLayout, PointeeInfo, Size, TargetDataLayout, VariantIdx};
 use rustc_codegen_ssa::base::wants_msvc_seh;
 use rustc_codegen_ssa::errors as ssa_errors;
-use rustc_codegen_ssa::traits::{
-    BackendTypes, BaseTypeCodegenMethods, MiscCodegenMethods, PacMetadata,
-};
+use rustc_codegen_ssa::traits::{BackendTypes, BaseTypeCodegenMethods, MiscCodegenMethods};
 use rustc_data_structures::base_n::{ALPHANUMERIC_ONLY, ToBaseN};
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_middle::mir::interpret::Allocation;
@@ -18,9 +16,9 @@ use rustc_middle::ty::layout::{
     LayoutOfHelpers,
 };
 use rustc_middle::ty::{self, ExistentialTraitRef, Instance, Ty, TyCtxt};
-use rustc_session::Session;
 #[cfg(feature = "master")]
 use rustc_session::config::DebugInfo;
+use rustc_session::{PointerAuthSchema, Session};
 use rustc_span::{DUMMY_SP, Span, Symbol, respan};
 use rustc_target::spec::{HasTargetSpec, HasX86AbiOpt, Target, TlsModel, X86Abi};
 
@@ -400,7 +398,11 @@ impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> {
         get_fn(self, instance)
     }
 
-    fn get_fn_addr(&self, instance: Instance<'tcx>, _pac: Option<PacMetadata>) -> RValue<'gcc> {
+    fn get_fn_addr(
+        &self,
+        instance: Instance<'tcx>,
+        _pointer_auth_schema: Option<&PointerAuthSchema>,
+    ) -> RValue<'gcc> {
         let func_name = self.tcx.symbol_name(instance).name;
 
         let func = if let Some(variable) = self.get_declared_value(func_name) {
diff --git a/compiler/rustc_codegen_llvm/Cargo.toml b/compiler/rustc_codegen_llvm/Cargo.toml
index ec850cf7ab3d2..c42ad17498136 100644
--- a/compiler/rustc_codegen_llvm/Cargo.toml
+++ b/compiler/rustc_codegen_llvm/Cargo.toml
@@ -17,7 +17,7 @@ libc = "0.2"
 libloading = { version = "0.9.0" }
 measureme = "12.0.1"
 object = { version = "0.37.0", default-features = false, features = ["std", "read"] }
-rustc-demangle = "0.1.21"
+rustc-demangle = "0.1.28"
 rustc_abi = { path = "../rustc_abi" }
 rustc_ast = { path = "../rustc_ast" }
 rustc_codegen_ssa = { path = "../rustc_codegen_ssa" }
diff --git a/compiler/rustc_codegen_llvm/src/attributes.rs b/compiler/rustc_codegen_llvm/src/attributes.rs
index 774ffa8df9342..1f00e47a89927 100644
--- a/compiler/rustc_codegen_llvm/src/attributes.rs
+++ b/compiler/rustc_codegen_llvm/src/attributes.rs
@@ -12,12 +12,9 @@ use rustc_session::config::{
 };
 use rustc_span::sym;
 use rustc_symbol_mangling::mangle_internal_symbol;
-use rustc_target::spec::{
-    Arch, FramePointer, LlvmAbi, SanitizerSet, StackProbeType, StackProtector,
-};
+use rustc_target::spec::{Arch, FramePointer, SanitizerSet, StackProbeType, StackProtector};
 use smallvec::SmallVec;
 
-use crate::common::pauth_fn_attrs;
 use crate::context::SimpleCx;
 use crate::errors::{PackedStackBackchainNeedsSoftfloat, SanitizerMemtagRequiresMte};
 use crate::llvm::AttributePlace::Function;
@@ -668,8 +665,9 @@ pub(crate) fn llfn_attrs_from_instance<'ll, 'tcx>(
         }
     }
 
-    if sess.target.llvm_abiname == LlvmAbi::Pauthtest {
-        for &ptrauth_attr in pauth_fn_attrs() {
+    if sess.pointer_authentication() {
+        let cfg = sess.pointer_auth_config.as_ref().unwrap();
+        for ptrauth_attr in cfg.fn_attrs() {
             to_add.push(llvm::CreateAttrString(cx.llcx, ptrauth_attr));
         }
     }
diff --git a/compiler/rustc_codegen_llvm/src/base.rs b/compiler/rustc_codegen_llvm/src/base.rs
index bb4ae6e64560a..79e5c8e6de6bb 100644
--- a/compiler/rustc_codegen_llvm/src/base.rs
+++ b/compiler/rustc_codegen_llvm/src/base.rs
@@ -25,13 +25,12 @@ use rustc_middle::mono::Visibility;
 use rustc_middle::ty::TyCtxt;
 use rustc_session::config::{DebugInfo, Offload};
 use rustc_span::Symbol;
-use rustc_target::spec::{LlvmAbi, SanitizerSet};
+use rustc_target::spec::SanitizerSet;
 
 use super::ModuleLlvm;
 use crate::attributes;
 use crate::builder::Builder;
 use crate::builder::gpu_offload::OffloadGlobals;
-use crate::common::pauth_fn_attrs;
 use crate::context::CodegenCx;
 use crate::llvm::{self, Value};
 
@@ -131,8 +130,9 @@ pub(crate) fn compile_codegen_unit(
                 // FIXME(jchlanda) If it ever becomes necessary to ensure that all compiler
                 // generated functions receive the ptrauth-* attributes, `declare_fn` or
                 // `declare_raw_fn` could be used to provide those.
-                if cx.sess().target.llvm_abiname == LlvmAbi::Pauthtest {
-                    for &ptrauth_attr in pauth_fn_attrs() {
+                if cx.sess().pointer_authentication() {
+                    let cfg = cx.sess().pointer_auth_config.as_ref().unwrap();
+                    for ptrauth_attr in cfg.fn_attrs() {
                         attrs.push(llvm::CreateAttrString(cx.llcx, ptrauth_attr));
                     }
                 }
@@ -152,28 +152,22 @@ pub(crate) fn compile_codegen_unit(
                 cx.add_objc_module_flags();
             }
 
-            if cx.sess().target.llvm_abiname == LlvmAbi::Pauthtest {
-                // FIXME(jchlanda): In LLVM/Clang, there are also `aarch64-elf-pauthabi-platform`
-                // and `aarch64-elf-pauthabi-version` module flags. These are emitted into the
-                // PAuth core info section of the resulting ELF, which the linker uses to enforce
-                // binary compatibility.
-                //
-                // We intentionally do not emit these flags now, since only a subset of features
-                // included in clang's pauthtest is currently supported. By default, the absence of
-                // this info is treated as compatible with any binary.
-                //
-                // Please note, that this would cause compatibility issues, specifically runtime
-                // crashes due to authentication failures (while compiling and linking
-                // successfully) when linking against binaries that support larger set of features
-                // (for example, signing of C++ member function pointers, virtual function
-                // pointers, virtual table pointers).
-                //
-                // Link to PAuth core info documentation:
-                // <https://github.com/ARM-software/abi-aa/blob/2025Q4/pauthabielf64/pauthabielf64.rst#core-information>
-                if cx.sess().opts.unstable_opts.ptrauth_elf_got {
+            if cx.sess().pointer_authentication() {
+                let cfg = cx.sess().pointer_auth_config.as_ref().unwrap();
+
+                let aarch64_elf_pauthabi_version =
+                    cfg.calculate_pauth_abi_version(&cx.sess().target);
+                if aarch64_elf_pauthabi_version != 0 {
+                    cx.add_ptrauth_pauthabi_version_and_platform_flags(
+                        aarch64_elf_pauthabi_version,
+                    );
+                }
+                if cfg.elf_got {
                     cx.add_ptrauth_elf_got_flag();
                 }
-                cx.add_ptrauth_sign_personality_flag();
+                if cx.sess().pointer_authentication_functions().is_some() {
+                    cx.add_ptrauth_sign_personality_flag();
+                }
             }
 
             // Finalize code coverage by injecting the coverage map. Note, the coverage map will
diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs
index 95380e4cb7533..af6c24018028a 100644
--- a/compiler/rustc_codegen_llvm/src/builder.rs
+++ b/compiler/rustc_codegen_llvm/src/builder.rs
@@ -26,7 +26,7 @@ use rustc_sanitizers::{cfi, kcfi};
 use rustc_session::config::OptLevel;
 use rustc_span::Span;
 use rustc_target::callconv::{FnAbi, PassMode};
-use rustc_target::spec::{Arch, HasTargetSpec, LlvmAbi, SanitizerSet, Target};
+use rustc_target::spec::{Arch, HasTargetSpec, SanitizerSet, Target};
 use smallvec::SmallVec;
 use tracing::{debug, instrument};
 
@@ -2039,7 +2039,7 @@ impl<'a, 'll, 'tcx> Builder<'a, 'll, 'tcx> {
         llfn: &'ll Value,
         fn_abi: Option<&FnAbi<'tcx, Ty<'tcx>>>,
     ) -> Option<llvm::OperandBundleBox<'ll>> {
-        if self.sess().target.llvm_abiname != LlvmAbi::Pauthtest {
+        if self.sess().pointer_authentication_functions().is_none() {
             return None;
         }
         // Pointer authentication support is currently limited to extern "C" calls; filter out other
diff --git a/compiler/rustc_codegen_llvm/src/common.rs b/compiler/rustc_codegen_llvm/src/common.rs
index 1c26738b7cf9c..205e2e9a14701 100644
--- a/compiler/rustc_codegen_llvm/src/common.rs
+++ b/compiler/rustc_codegen_llvm/src/common.rs
@@ -16,7 +16,7 @@ use rustc_middle::bug;
 use rustc_middle::mir::interpret::{GlobalAlloc, PointerArithmetic, Scalar};
 use rustc_middle::ty::{Instance, TyCtxt};
 use rustc_session::cstore::DllImport;
-use rustc_target::spec::LlvmAbi;
+use rustc_session::{PointerAuthAddressDiscriminator, PointerAuthSchema};
 use tracing::debug;
 
 use crate::consts::{IsInitOrFini, IsStatic, const_alloc_to_llvm};
@@ -26,27 +26,13 @@ use crate::llvm::{
     self, BasicBlock, ConstantInt, FALSE, TRUE, ToLlvmBool, Type, Value, const_ptr_auth,
 };
 
-#[inline]
-pub(crate) fn pauth_fn_attrs() -> &'static [&'static str] {
-    // FIXME(jchlanda) This is not an exhaustive list of all `ptrauth`-related attributes, but only
-    // those currently supported. The list is expected to grow as additional functionality is
-    // implemented, particularly for C++ interoperability.
-    &[
-        "aarch64-jump-table-hardening",
-        "ptrauth-indirect-gotos",
-        "ptrauth-calls",
-        "ptrauth-returns",
-        "ptrauth-auth-traps",
-    ]
-}
-
 pub(crate) fn maybe_sign_fn_ptr<'ll, 'tcx>(
     cx: &CodegenCx<'ll, '_>,
     instance: Instance<'tcx>,
     llfn: &'ll llvm::Value,
-    pac: PacMetadata,
+    schema: &PointerAuthSchema,
 ) -> &'ll llvm::Value {
-    if cx.sess().target.llvm_abiname != LlvmAbi::Pauthtest {
+    if cx.tcx.sess.pointer_authentication_functions().is_none() {
         return llfn;
     }
 
@@ -68,16 +54,16 @@ pub(crate) fn maybe_sign_fn_ptr<'ll, 'tcx>(
         return llfn;
     }
 
-    let addr_diversity = match pac.addr_diversity {
-        AddressDiversity::None => None,
-        AddressDiversity::Real => Some(llfn),
-        AddressDiversity::Synthetic(val) => {
+    let addr_diversity = match schema.is_address_discriminated {
+        PointerAuthAddressDiscriminator::HardwareAddress(true) => Some(llfn),
+        PointerAuthAddressDiscriminator::HardwareAddress(false) => None,
+        PointerAuthAddressDiscriminator::Synthetic(val) => {
             let llval = cx.const_u64(val);
             let llty = cx.val_ty(llfn);
             Some(unsafe { llvm::LLVMConstIntToPtr(llval, llty) })
         }
     };
-    const_ptr_auth(llfn, pac.key, pac.disc, addr_diversity)
+    const_ptr_auth(llfn, schema.key as u32, schema.constant_discriminator as u64, addr_diversity)
 }
 
 /*
@@ -331,7 +317,7 @@ impl<'ll, 'tcx> ConstCodegenMethods for CodegenCx<'ll, 'tcx> {
         cv: Scalar,
         layout: abi::Scalar,
         llty: &'ll Type,
-        pac: Option<PacMetadata>,
+        schema: Option<&PointerAuthSchema>,
     ) -> &'ll Value {
         let bitsize = if layout.is_bool() { 1 } else { layout.size(self).bits() };
         match cv {
@@ -387,7 +373,7 @@ impl<'ll, 'tcx> ConstCodegenMethods for CodegenCx<'ll, 'tcx> {
                             value
                         }
                     }
-                    GlobalAlloc::Function { instance, .. } => self.get_fn_addr(instance, pac),
+                    GlobalAlloc::Function { instance, .. } => self.get_fn_addr(instance, schema),
                     GlobalAlloc::VTable(ty, dyn_ty) => {
                         let alloc = self
                             .tcx
diff --git a/compiler/rustc_codegen_llvm/src/consts.rs b/compiler/rustc_codegen_llvm/src/consts.rs
index a4d52c18c890b..20091d1b05be5 100644
--- a/compiler/rustc_codegen_llvm/src/consts.rs
+++ b/compiler/rustc_codegen_llvm/src/consts.rs
@@ -17,7 +17,7 @@ use rustc_middle::ty::layout::{HasTypingEnv, LayoutOf};
 use rustc_middle::ty::{self, Instance};
 use rustc_middle::{bug, span_bug};
 use rustc_span::Symbol;
-use rustc_target::spec::{Arch, LlvmAbi};
+use rustc_target::spec::Arch;
 use tracing::{debug, instrument, trace};
 
 use crate::common::CodegenCx;
@@ -32,6 +32,7 @@ pub(crate) enum IsStatic {
     No,
 }
 /// Indicates whether a symbol is part of `.init_array` or `.fini_array`.
+#[derive(PartialEq)]
 pub(crate) enum IsInitOrFini {
     Yes,
     No,
@@ -120,23 +121,14 @@ pub(crate) fn const_alloc_to_llvm<'ll>(
             as u64;
 
         let address_space = cx.tcx.global_alloc(prov.alloc_id()).address_space(cx);
-        // Under pointer authentication, function pointers stored in init/fini arrays need special
-        // handling.
-        let pac_metadata = Some(
-            if cx.sess().target.llvm_abiname == LlvmAbi::Pauthtest
-                && matches!(is_init_fini, IsInitOrFini::Yes)
-            {
-                PacMetadata {
-                    // Must correspond to ptrauth_key_init_fini_pointer from `ptrauth.h`.
-                    key: 0,
-                    // ptrauth_string_discriminator("init_fini")
-                    disc: 0xd9d4,
-                    addr_diversity: AddressDiversity::Synthetic(1),
-                }
-            } else {
-                PacMetadata::default()
-            },
-        );
+        let schema = if cx.sess().pointer_authentication() {
+            match is_init_fini {
+                IsInitOrFini::Yes => cx.sess().pointer_authentication_init_fini(),
+                IsInitOrFini::No => cx.sess().pointer_authentication_functions(),
+            }
+        } else {
+            None
+        };
         llvals.push(cx.scalar_to_backend_with_pac(
             InterpScalar::from_pointer(Pointer::new(prov, Size::from_bytes(ptr_offset)), &cx.tcx),
             Scalar::Initialized {
@@ -144,7 +136,7 @@ pub(crate) fn const_alloc_to_llvm<'ll>(
                 valid_range: WrappingRange::full(pointer_size),
             },
             cx.type_ptr_ext(address_space),
-            pac_metadata,
+            schema,
         ));
         next_offset = offset + pointer_size_bytes;
     }
@@ -221,7 +213,7 @@ fn check_and_apply_linkage<'ll, 'tcx>(
                 let fn_sig = sig.with(*header);
                 let fn_abi = cx.fn_abi_of_fn_ptr(fn_sig, ty::List::empty());
                 // Decide if the initializer needs to be signed
-                if cx.sess().target.llvm_abiname == LlvmAbi::Pauthtest
+                if cx.sess().pointer_authentication()
                     && matches!(fn_sig.abi(), ExternAbi::C { .. } | ExternAbi::System { .. })
                 {
                     should_sign = true;
diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs
index 621f2cd3f9fc7..7ea30a5b4db6d 100644
--- a/compiler/rustc_codegen_llvm/src/context.rs
+++ b/compiler/rustc_codegen_llvm/src/context.rs
@@ -20,10 +20,10 @@ use rustc_middle::ty::layout::{
 };
 use rustc_middle::ty::{self, Instance, Ty, TyCtxt};
 use rustc_middle::{bug, span_bug};
-use rustc_session::Session;
 use rustc_session::config::{
     BranchProtection, CFGuard, CFProtection, CrateType, DebugInfo, FunctionReturn, PAuthKey, PacRet,
 };
+use rustc_session::{PointerAuthSchema, Session};
 use rustc_span::{DUMMY_SP, Span, Spanned, Symbol, sym};
 use rustc_target::spec::{
     Arch, CfgAbi, Env, FramePointer, HasTargetSpec, Os, RelocModel, SmallDataThresholdSupport,
@@ -743,6 +743,29 @@ impl<'ll, 'tcx> CodegenCx<'ll, 'tcx> {
         );
     }
 
+    pub(crate) fn add_ptrauth_pauthabi_version_and_platform_flags(
+        &self,
+        aarch64_elf_pauthabi_version: u32,
+    ) {
+        // NOTE: This must correspond to llvm's AARCH64_PAUTH_PLATFORM_LLVM_LINUX, as defined in
+        // <llvm_root>/llvm/include/llvm/BinaryFormat/ELF.h.
+        // FIXME (jchlanda) extend possible values once we start supporting other platforms (for
+        // example: AARCH64_PAUTH_PLATFORM_BAREMETAL = 0x1);
+        const AARCH64_PAUTH_PLATFORM_LLVM_LINUX: u32 = 0x10000002;
+        llvm::add_module_flag_u32(
+            self.llmod,
+            llvm::ModuleFlagMergeBehavior::Error,
+            "aarch64-elf-pauthabi-platform",
+            AARCH64_PAUTH_PLATFORM_LLVM_LINUX,
+        );
+        llvm::add_module_flag_u32(
+            self.llmod,
+            llvm::ModuleFlagMergeBehavior::Error,
+            "aarch64-elf-pauthabi-version",
+            aarch64_elf_pauthabi_version,
+        );
+    }
+
     // We do our best here to match what Clang does when compiling Objective-C natively.
     // See Clang's `CGObjCCommonMac::EmitImageInfo`:
     // https://github.com/llvm/llvm-project/blob/llvmorg-20.1.8/clang/lib/CodeGen/CGObjCMac.cpp#L5085
@@ -887,7 +910,11 @@ impl<'ll, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> {
         get_fn(self, instance)
     }
 
-    fn get_fn_addr(&self, instance: Instance<'tcx>, pac: Option<PacMetadata>) -> &'ll Value {
+    fn get_fn_addr(
+        &self,
+        instance: Instance<'tcx>,
+        pointer_auth_schema: Option<&PointerAuthSchema>,
+    ) -> &'ll Value {
         // When pointer authentication metadata is provided, `get_fn_addr` will
         // attempt to sign the pointer using LLVM's `ConstPtrAuth` constant
         // expression.
@@ -901,8 +928,8 @@ impl<'ll, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> {
         // <https://github.com/rust-lang/rust/issues/152532>, and comment in
         // builder's `ptrauth_operand_bundle`.
         let llfn = get_fn(self, instance);
-        match pac {
-            Some(pac) => common::maybe_sign_fn_ptr(self, instance, llfn, pac),
+        match pointer_auth_schema {
+            Some(schema) => common::maybe_sign_fn_ptr(self, instance, llfn, schema),
             None => llfn,
         }
     }
@@ -954,7 +981,7 @@ impl<'ll, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> {
                     ty::List::empty(),
                     DUMMY_SP,
                 ),
-                Some(PacMetadata::default()),
+                tcx.sess.pointer_authentication_functions(),
             ),
             _ => {
                 let name = name.unwrap_or("rust_eh_personality");
diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs
index 24e9a6cb3e2d4..213f0314e343c 100644
--- a/compiler/rustc_codegen_llvm/src/intrinsic.rs
+++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs
@@ -28,7 +28,7 @@ use rustc_session::lint::builtin::DEPRECATED_LLVM_INTRINSIC;
 use rustc_span::{ErrorGuaranteed, Span, Symbol, sym};
 use rustc_symbol_mangling::{mangle_internal_symbol, symbol_name_for_instance_in_crate};
 use rustc_target::callconv::PassMode;
-use rustc_target::spec::{Arch, LlvmAbi};
+use rustc_target::spec::Arch;
 use tracing::debug;
 
 use crate::abi::FnAbiLlvmExt;
@@ -37,7 +37,6 @@ use crate::builder::autodiff::{adjust_activity_to_abi, generate_enzyme_call};
 use crate::builder::gpu_offload::{
     OffloadKernelDims, gen_call_handling, gen_define_handling, register_offload,
 };
-use crate::common::pauth_fn_attrs;
 use crate::context::CodegenCx;
 use crate::declare::declare_raw_fn;
 use crate::errors::{
@@ -919,7 +918,7 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
         let fn_ty = instance.ty(tcx, self.typing_env());
         let fn_sig = match *fn_ty.kind() {
             ty::FnDef(def_id, args) => tcx.instantiate_bound_regions_with_erased(
-                tcx.fn_sig(def_id).instantiate(tcx, args).skip_norm_wip(),
+                tcx.fn_sig(def_id).instantiate(tcx, args.no_bound_vars().unwrap()).skip_norm_wip(),
             ),
             _ => unreachable!(),
         };
@@ -1697,9 +1696,12 @@ fn get_rust_try_fn<'a, 'll, 'tcx>(
         hir::Safety::Unsafe,
     ));
     let rust_try = gen_fn(cx, "__rust_try", rust_fn_sig, codegen);
-    if cx.sess().target.llvm_abiname == LlvmAbi::Pauthtest {
+
+    if cx.sess().pointer_authentication() {
+        let cfg = cx.sess().pointer_auth_config.as_ref().unwrap();
         let attrs: Vec<&Attribute> =
-            pauth_fn_attrs().iter().map(|name| llvm::CreateAttrString(cx.llcx, name)).collect();
+            cfg.fn_attrs().into_iter().map(|name| llvm::CreateAttrString(cx.llcx, name)).collect();
+
         let (_ty, rust_try_fn) = rust_try;
         crate::attributes::apply_to_llfn(rust_try_fn, AttributePlace::Function, &attrs);
     }
@@ -1762,7 +1764,7 @@ fn codegen_autodiff<'ll, 'tcx>(
     let fn_to_diff = args[0].immediate();
 
     let (diff_id, diff_args) = match fn_args.into_type_list(tcx)[1].kind() {
-        ty::FnDef(def_id, diff_args) => (def_id, diff_args),
+        ty::FnDef(def_id, diff_args) => (def_id, diff_args.no_bound_vars().unwrap()),
         _ => bug!("invalid args"),
     };
 
@@ -1825,7 +1827,7 @@ fn codegen_offload<'ll, 'tcx>(
     let fn_args = instance.args;
 
     let (target_id, target_args) = match fn_args.into_type_list(tcx)[0].kind() {
-        ty::FnDef(def_id, params) => (def_id, params),
+        ty::FnDef(def_id, params) => (def_id, params.no_bound_vars().unwrap()),
         _ => bug!("invalid offload intrinsic arg"),
     };
 
diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs
index 0b86c421d16b5..ec6e3ea03d360 100644
--- a/compiler/rustc_codegen_ssa/src/base.rs
+++ b/compiler/rustc_codegen_ssa/src/base.rs
@@ -446,7 +446,7 @@ where
                             cx.tcx(),
                             ty::TypingEnv::fully_monomorphized(),
                             def_id,
-                            args,
+                            args.no_bound_vars().unwrap(),
                             expr.span,
                         ),
                         _ => span_bug!(*op_sp, "asm sym is not a function"),
@@ -494,7 +494,7 @@ pub fn maybe_create_entry_wrapper<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
         return None;
     }
 
-    let main_llfn = cx.get_fn_addr(instance, Some(PacMetadata::default()));
+    let main_llfn = cx.get_fn_addr(instance, cx.sess().pointer_authentication_functions());
 
     let entry_fn = create_entry_fn::<Bx>(cx, main_llfn, main_def_id, entry_type);
     return Some(entry_fn);
@@ -555,7 +555,8 @@ pub fn maybe_create_entry_wrapper<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
                 cx.tcx().mk_args(&[main_ret_ty.into()]),
                 DUMMY_SP,
             );
-            let start_fn = cx.get_fn_addr(start_instance, Some(PacMetadata::default()));
+            let start_fn =
+                cx.get_fn_addr(start_instance, cx.sess().pointer_authentication_functions());
 
             let i8_ty = cx.type_i8();
             let arg_sigpipe = bx.const_u8(sigpipe);
diff --git a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs
index 46bb1182c298c..006a131a405db 100644
--- a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs
+++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs
@@ -264,6 +264,18 @@ fn process_builtin_attrs(
                         Visibility::Default,
                     ));
                     codegen_fn_attrs.flags |= CodegenFnAttrFlags::EXTERNALLY_IMPLEMENTABLE_ITEM;
+
+                    // If the declaration is `#[track_caller]`, derive it onto the implementation
+                    // too. The shim that forwards to this impl (see `add_function_aliases`) takes
+                    // its ABI from the impl's `fn_abi`, so every impl must agree on whether the
+                    // caller-location argument is present, otherwise it would be silently dropped.
+                    if tcx
+                        .codegen_fn_attrs(foreign_item)
+                        .flags
+                        .contains(CodegenFnAttrFlags::TRACK_CALLER)
+                    {
+                        codegen_fn_attrs.flags |= CodegenFnAttrFlags::TRACK_CALLER;
+                    }
                 }
             }
             AttributeKind::ThreadLocal => {
diff --git a/compiler/rustc_codegen_ssa/src/common.rs b/compiler/rustc_codegen_ssa/src/common.rs
index 3a2ff3ab5d2ae..ae72258a87c86 100644
--- a/compiler/rustc_codegen_ssa/src/common.rs
+++ b/compiler/rustc_codegen_ssa/src/common.rs
@@ -119,7 +119,7 @@ pub(crate) fn build_langcall<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
     let instance = ty::Instance::mono(tcx, def_id);
     (
         bx.fn_abi_of_instance(instance, ty::List::empty()),
-        bx.get_fn_addr(instance, Some(PacMetadata::default())),
+        bx.get_fn_addr(instance, tcx.sess.pointer_authentication_functions()),
         instance,
     )
 }
diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs
index fad93de43b272..68417e1082688 100644
--- a/compiler/rustc_codegen_ssa/src/mir/block.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/block.rs
@@ -686,7 +686,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
             }
             _ => (
                 false,
-                bx.get_fn_addr(drop_fn, Some(PacMetadata::default())),
+                bx.get_fn_addr(drop_fn, bx.sess().pointer_authentication_functions()),
                 bx.fn_abi_of_instance(drop_fn, ty::List::empty()),
                 drop_fn,
             ),
@@ -949,7 +949,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
                     bx.tcx(),
                     bx.typing_env(),
                     def_id,
-                    generic_args,
+                    generic_args.no_bound_vars().unwrap(),
                     fn_span,
                 );
 
@@ -1098,11 +1098,17 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
                             bx.tcx(),
                             bx.typing_env(),
                             def_id,
-                            generic_args,
+                            generic_args.no_bound_vars().unwrap(),
                         )
                         .unwrap();
 
-                        (None, Some(bx.get_fn_addr(instance, Some(PacMetadata::default()))))
+                        (
+                            None,
+                            Some(bx.get_fn_addr(
+                                instance,
+                                bx.sess().pointer_authentication_functions(),
+                            )),
+                        )
                     }
                     _ => (Some(instance), None),
                 }
@@ -1415,7 +1421,9 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
         }
 
         let fn_ptr = match (instance, llfn) {
-            (Some(instance), None) => bx.get_fn_addr(instance, Some(PacMetadata::default())),
+            (Some(instance), None) => {
+                bx.get_fn_addr(instance, bx.sess().pointer_authentication_functions())
+            }
             (_, Some(llfn)) => llfn,
             _ => span_bug!(fn_span, "no instance or llfn for call"),
         };
@@ -1486,7 +1494,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
                             bx.tcx(),
                             bx.typing_env(),
                             def_id,
-                            args,
+                            args.no_bound_vars().unwrap(),
                         )
                         .unwrap();
                         InlineAsmOperandRef::SymFn { instance }
diff --git a/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs b/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs
index 9ce8e6e48bbd1..c33c228cc5b2d 100644
--- a/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs
@@ -95,9 +95,13 @@ fn inline_to_global_operand<'a, 'tcx, Cx: LayoutOf<'tcx, LayoutOfResult = TyAndL
             );
 
             let instance = match mono_type.kind() {
-                &ty::FnDef(def_id, args) => {
-                    Instance::expect_resolve(cx.tcx(), cx.typing_env(), def_id, args, value.span)
-                }
+                &ty::FnDef(def_id, args) => Instance::expect_resolve(
+                    cx.tcx(),
+                    cx.typing_env(),
+                    def_id,
+                    args.no_bound_vars().unwrap(),
+                    value.span,
+                ),
                 _ => bug!("asm sym is not a function"),
             };
 
diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs
index b002d7554b36e..077d724997441 100644
--- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs
@@ -512,13 +512,13 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
                                     bx.tcx(),
                                     bx.typing_env(),
                                     def_id,
-                                    args,
+                                    args.no_bound_vars().unwrap(),
                                 )
                                 .unwrap();
                                 OperandValue::Immediate(
                                     bx.get_fn_addr(
                                         instance,
-                                        Some(PacMetadata::default()),
+                                        bx.sess().pointer_authentication_functions(),
                                     ),
                                 )
                             }
@@ -537,7 +537,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
                                 OperandValue::Immediate(
                                     bx.cx().get_fn_addr(
                                         instance,
-                                        Some(PacMetadata::default()),
+                                        bx.sess().pointer_authentication_functions(),
                                     ),
                                 )
                             }
@@ -759,7 +759,8 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
                         def: ty::InstanceKind::Shim(ty::ShimKind::ThreadLocal(def_id)),
                         args: ty::GenericArgs::empty(),
                     };
-                    let fn_ptr = bx.get_fn_addr(instance, Some(PacMetadata::default()));
+                    let fn_ptr =
+                        bx.get_fn_addr(instance, bx.sess().pointer_authentication_functions());
                     let fn_abi = bx.fn_abi_of_instance(instance, ty::List::empty());
                     let fn_ty = bx.fn_decl_backend_type(fn_abi);
                     let fn_attrs = if bx.tcx().def_kind(instance.def_id()).has_codegen_attrs() {
diff --git a/compiler/rustc_codegen_ssa/src/traits/consts.rs b/compiler/rustc_codegen_ssa/src/traits/consts.rs
index 20738ba79e9fb..b4eba38d39c19 100644
--- a/compiler/rustc_codegen_ssa/src/traits/consts.rs
+++ b/compiler/rustc_codegen_ssa/src/traits/consts.rs
@@ -1,8 +1,8 @@
 use rustc_abi as abi;
 use rustc_middle::mir::interpret::Scalar;
+use rustc_session::PointerAuthSchema;
 
 use super::BackendTypes;
-use crate::traits::PacMetadata;
 
 pub trait ConstCodegenMethods: BackendTypes {
     // Constant constructors
@@ -47,7 +47,7 @@ pub trait ConstCodegenMethods: BackendTypes {
         cv: Scalar,
         layout: abi::Scalar,
         llty: Self::Type,
-        pac: Option<PacMetadata>,
+        schema: Option<&PointerAuthSchema>,
     ) -> Self::Value;
 
     fn const_ptr_byte_offset(&self, val: Self::Value, offset: abi::Size) -> Self::Value;
diff --git a/compiler/rustc_codegen_ssa/src/traits/misc.rs b/compiler/rustc_codegen_ssa/src/traits/misc.rs
index ecef986b55855..add7128a2974b 100644
--- a/compiler/rustc_codegen_ssa/src/traits/misc.rs
+++ b/compiler/rustc_codegen_ssa/src/traits/misc.rs
@@ -2,40 +2,11 @@ use std::cell::RefCell;
 
 use rustc_data_structures::fx::FxHashMap;
 use rustc_middle::ty::{self, Instance, Ty};
-use rustc_session::Session;
+use rustc_session::{PointerAuthSchema, Session};
 use rustc_span::Symbol;
 
 use super::BackendTypes;
 
-/// Strategy for incorporating address-based diversity into PAC computation.
-#[derive(Default)]
-pub enum AddressDiversity {
-    /// No address diversity is applied.
-    #[default]
-    None,
-    /// Use the actual memory address for diversification.
-    Real,
-    /// Use a fixed synthetic value instead of the real address,
-    /// i.e. `1` is used for `.init_array` / `.fini_array`.
-    Synthetic(u64),
-}
-
-/// Metadata used for pointer authentication.
-pub struct PacMetadata {
-    /// The PAC key to use.
-    pub key: u32,
-    /// Discriminator value used to diversify the PAC.
-    pub disc: u64,
-    /// Controls how address diversity is applied when computing the PAC.
-    pub addr_diversity: AddressDiversity,
-}
-
-impl Default for PacMetadata {
-    fn default() -> Self {
-        PacMetadata { key: 0, disc: 0, addr_diversity: AddressDiversity::default() }
-    }
-}
-
 pub trait MiscCodegenMethods<'tcx>: BackendTypes {
     fn vtables(
         &self,
@@ -48,7 +19,11 @@ pub trait MiscCodegenMethods<'tcx>: BackendTypes {
     ) {
     }
     fn get_fn(&self, instance: Instance<'tcx>) -> Self::Function;
-    fn get_fn_addr(&self, instance: Instance<'tcx>, pac: Option<PacMetadata>) -> Self::Value;
+    fn get_fn_addr(
+        &self,
+        instance: Instance<'tcx>,
+        pointer_auth_schema: Option<&PointerAuthSchema>,
+    ) -> Self::Value;
     fn eh_personality(&self) -> Self::Function;
     fn sess(&self) -> &Session;
     fn set_frame_pointer_type(&self, llfn: Self::Function);
diff --git a/compiler/rustc_codegen_ssa/src/traits/mod.rs b/compiler/rustc_codegen_ssa/src/traits/mod.rs
index ed2dad5a510cd..f46d07ea5008e 100644
--- a/compiler/rustc_codegen_ssa/src/traits/mod.rs
+++ b/compiler/rustc_codegen_ssa/src/traits/mod.rs
@@ -42,7 +42,7 @@ pub use self::coverageinfo::CoverageInfoBuilderMethods;
 pub use self::debuginfo::{DebugInfoBuilderMethods, DebugInfoCodegenMethods};
 pub use self::declare::PreDefineCodegenMethods;
 pub use self::intrinsic::IntrinsicCallBuilderMethods;
-pub use self::misc::{AddressDiversity, MiscCodegenMethods, PacMetadata};
+pub use self::misc::MiscCodegenMethods;
 pub use self::statics::{StaticBuilderMethods, StaticCodegenMethods};
 pub use self::type_::{
     ArgAbiBuilderMethods, BaseTypeCodegenMethods, DerivedTypeCodegenMethods,
diff --git a/compiler/rustc_const_eval/src/check_consts/check.rs b/compiler/rustc_const_eval/src/check_consts/check.rs
index 20fa1089004a4..e0388f3cc7464 100644
--- a/compiler/rustc_const_eval/src/check_consts/check.rs
+++ b/compiler/rustc_const_eval/src/check_consts/check.rs
@@ -757,7 +757,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> {
                 let fn_ty = func.ty(body, tcx);
 
                 let (callee, fn_args) = match *fn_ty.kind() {
-                    ty::FnDef(def_id, fn_args) => (def_id, fn_args),
+                    ty::FnDef(def_id, fn_args) => (def_id, fn_args.no_bound_vars().unwrap()),
 
                     ty::FnPtr(..) => {
                         self.check_op(ops::FnCallIndirect);
diff --git a/compiler/rustc_const_eval/src/interpret/cast.rs b/compiler/rustc_const_eval/src/interpret/cast.rs
index faef782534280..77839302692e0 100644
--- a/compiler/rustc_const_eval/src/interpret/cast.rs
+++ b/compiler/rustc_const_eval/src/interpret/cast.rs
@@ -87,7 +87,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
                                 *self.tcx,
                                 self.typing_env,
                                 def_id,
-                                args,
+                                args.no_bound_vars().unwrap(),
                             )
                             .ok_or_else(|| err_inval!(TooGeneric))?
                         };
diff --git a/compiler/rustc_const_eval/src/interpret/step.rs b/compiler/rustc_const_eval/src/interpret/step.rs
index 0926476c9e01b..dd2477503fd6d 100644
--- a/compiler/rustc_const_eval/src/interpret/step.rs
+++ b/compiler/rustc_const_eval/src/interpret/step.rs
@@ -483,7 +483,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
                 (fn_val, self.fn_abi_of_fn_ptr(fn_sig_binder, extra_args)?, false)
             }
             ty::FnDef(def_id, args) => {
-                let instance = self.resolve(def_id, args)?;
+                let instance = self.resolve(def_id, args.no_bound_vars().unwrap())?;
                 (
                     FnVal::Instance(instance),
                     self.fn_abi_of_instance_no_deduced_attrs(instance, extra_args)?,
diff --git a/compiler/rustc_const_eval/src/interpret/validity.rs b/compiler/rustc_const_eval/src/interpret/validity.rs
index 2d412e1124e5a..60e1e39140471 100644
--- a/compiler/rustc_const_eval/src/interpret/validity.rs
+++ b/compiler/rustc_const_eval/src/interpret/validity.rs
@@ -947,7 +947,7 @@ impl<'rt, 'tcx, M: Machine<'tcx>> ValidityVisitor<'rt, 'tcx, M> {
                 // Nothing to check.
                 interp_ok(true)
             }
-            ty::UnsafeBinder(_) => todo!("FIXME(unsafe_binder)"),
+            ty::UnsafeBinder(_) => unimplemented!("FIXME(unsafe_binder)"),
             // The above should be all the primitive types. The rest is compound, we
             // check them by visiting their fields/variants.
             ty::Adt(..)
diff --git a/compiler/rustc_const_eval/src/util/type_name.rs b/compiler/rustc_const_eval/src/util/type_name.rs
index 56c41d7697e0c..b46bd86f0497a 100644
--- a/compiler/rustc_const_eval/src/util/type_name.rs
+++ b/compiler/rustc_const_eval/src/util/type_name.rs
@@ -52,7 +52,6 @@ impl<'tcx> Printer<'tcx> for TypeNamePrinter<'tcx> {
 
             // Types with identity (print the module path).
             ty::Adt(ty::AdtDef(Interned(&ty::AdtDefData { did: def_id, .. }, _)), args)
-            | ty::FnDef(def_id, args)
             | ty::Alias(
                 _,
                 ty::AliasTy {
@@ -64,6 +63,7 @@ impl<'tcx> Printer<'tcx> for TypeNamePrinter<'tcx> {
             | ty::Coroutine(def_id, args) => self.print_def_path(def_id, args),
             ty::Foreign(def_id) => self.print_def_path(def_id, &[]),
 
+            ty::FnDef(def_id, args) => self.print_def_path(def_id, args.no_bound_vars().unwrap()),
             ty::Alias(_, ty::AliasTy { kind: ty::Free { .. }, .. }) => {
                 bug!("type_name: unexpected free alias")
             }
diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs
index 24501524edf04..8f5685dd66aef 100644
--- a/compiler/rustc_expand/src/base.rs
+++ b/compiler/rustc_expand/src/base.rs
@@ -274,11 +274,7 @@ impl<'cx> MacroExpanderResult<'cx> {
         arm_span: Span,
         macro_ident: Ident,
     ) -> Self {
-        // Emit the SEMICOLON_IN_EXPRESSIONS_FROM_MACROS deprecation lint.
-        let is_local = true;
-
-        let parser =
-            ParserAnyMacro::from_tts(cx, tts, site_span, arm_span, is_local, macro_ident, &[], &[]);
+        let parser = ParserAnyMacro::from_tts(cx, tts, site_span, arm_span, macro_ident, &[], &[]);
         ExpandResult::Ready(Box::new(parser))
     }
 }
diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs
index 6dbac58cc6dbe..c18610824af8a 100644
--- a/compiler/rustc_expand/src/expand.rs
+++ b/compiler/rustc_expand/src/expand.rs
@@ -1905,7 +1905,7 @@ impl InvocationCollectorNode for ast::Pat {
         }
     }
     fn as_target(&self) -> Target {
-        todo!();
+        unimplemented!();
     }
 }
 
diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs
index 4a0cacc977529..4d49fb208c86f 100644
--- a/compiler/rustc_expand/src/mbe/macro_rules.rs
+++ b/compiler/rustc_expand/src/mbe/macro_rules.rs
@@ -55,8 +55,6 @@ pub(crate) struct ParserAnyMacro<'a, 'b> {
     lint_node_id: NodeId,
     is_trailing_mac: bool,
     arm_span: Span,
-    /// Whether or not this macro is defined in the current crate
-    is_local: bool,
     bindings: &'b [MacroRule],
     matched_rule_bindings: &'b [MatcherLoc],
 }
@@ -73,7 +71,6 @@ impl<'a, 'b> ParserAnyMacro<'a, 'b> {
             lint_node_id,
             arm_span,
             is_trailing_mac,
-            is_local,
             bindings,
             matched_rule_bindings,
         } = *self;
@@ -99,14 +96,12 @@ impl<'a, 'b> ParserAnyMacro<'a, 'b> {
         // `macro_rules! m { () => { panic!(); } }` isn't parsed by `.parse_expr()`,
         // but `m!()` is allowed in expression positions (cf. issue #34706).
         if kind == AstFragmentKind::Expr && parser.token == token::Semi {
-            if is_local {
-                parser.psess.buffer_lint(
-                    SEMICOLON_IN_EXPRESSIONS_FROM_MACROS,
-                    parser.token.span,
-                    lint_node_id,
-                    diagnostics::TrailingMacro { is_trailing: is_trailing_mac, name: macro_ident },
-                );
-            }
+            parser.psess.buffer_lint(
+                SEMICOLON_IN_EXPRESSIONS_FROM_MACROS,
+                parser.token.span,
+                lint_node_id,
+                diagnostics::TrailingMacro { is_trailing: is_trailing_mac, name: macro_ident },
+            );
             parser.bump();
         }
 
@@ -122,7 +117,6 @@ impl<'a, 'b> ParserAnyMacro<'a, 'b> {
         tts: TokenStream,
         site_span: Span,
         arm_span: Span,
-        is_local: bool,
         macro_ident: Ident,
         // bindings and lhs is for diagnostics
         bindings: &'b [MacroRule],
@@ -139,7 +133,6 @@ impl<'a, 'b> ParserAnyMacro<'a, 'b> {
             lint_node_id: cx.current_expansion.lint_node_id,
             is_trailing_mac: cx.current_expansion.is_trailing_mac,
             arm_span,
-            is_local,
             bindings,
             matched_rule_bindings,
         }
@@ -472,13 +465,12 @@ fn expand_macro<'cx, 'a: 'cx>(
                 trace_macros_note(&mut cx.expansions, sp, msg);
             }
 
-            let is_local = is_defined_in_current_crate(node_id);
-            if is_local {
+            if is_defined_in_current_crate(node_id) {
                 cx.resolver.record_macro_rule_usage(node_id, rule_index);
             }
 
             // Let the context choose how to interpret the result. Weird, but useful for X-macros.
-            Box::new(ParserAnyMacro::from_tts(cx, tts, sp, arm_span, is_local, name, rules, lhs))
+            Box::new(ParserAnyMacro::from_tts(cx, tts, sp, arm_span, name, rules, lhs))
         }
         Err(CanRetry::No(guar)) => {
             debug!("Will not retry matching as an error was emitted already");
diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs
index 6a9cfeff49339..88aa1b77cbaed 100644
--- a/compiler/rustc_feature/src/builtin_attrs.rs
+++ b/compiler/rustc_feature/src/builtin_attrs.rs
@@ -365,6 +365,7 @@ pub static BUILTIN_ATTRIBUTES: &[Symbol] = &[
     sym::rustc_paren_sugar,
     sym::rustc_inherit_overflow_checks,
     sym::rustc_reservation_impl,
+    sym::rustc_test_entrypoint_marker,
     sym::rustc_test_marker,
     sym::rustc_unsafe_specialization_marker,
     sym::rustc_specialization_trait,
diff --git a/compiler/rustc_hir/src/attrs/data_structures.rs b/compiler/rustc_hir/src/attrs/data_structures.rs
index 17d00863d99d5..29cfbe2558751 100644
--- a/compiler/rustc_hir/src/attrs/data_structures.rs
+++ b/compiler/rustc_hir/src/attrs/data_structures.rs
@@ -1636,6 +1636,9 @@ pub enum AttributeKind {
     /// Represents `#[rustc_strict_coherence]`.
     RustcStrictCoherence(Span),
 
+    /// Represents `#[rustc_test_entrypoint_marker]`
+    RustcTestEntrypointMarker,
+
     /// Represents `#[rustc_test_marker]`
     RustcTestMarker(Symbol),
 
diff --git a/compiler/rustc_hir/src/attrs/encode_cross_crate.rs b/compiler/rustc_hir/src/attrs/encode_cross_crate.rs
index f5a6eeec07406..01eab3cc8cb52 100644
--- a/compiler/rustc_hir/src/attrs/encode_cross_crate.rs
+++ b/compiler/rustc_hir/src/attrs/encode_cross_crate.rs
@@ -189,6 +189,7 @@ impl AttributeKind {
             RustcSpecializationTrait => No,
             RustcStdInternalSymbol => No,
             RustcStrictCoherence(..) => Yes,
+            RustcTestEntrypointMarker => No,
             RustcTestMarker(..) => No,
             RustcThenThisWouldNeed(..) => No,
             RustcTrivialFieldReads => Yes,
diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs
index eb2893c88d854..92928fb03b644 100644
--- a/compiler/rustc_hir/src/hir.rs
+++ b/compiler/rustc_hir/src/hir.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 use std::borrow::Cow;
 use std::fmt;
 use std::ops::Not;
diff --git a/compiler/rustc_hir_analysis/src/check/mod.rs b/compiler/rustc_hir_analysis/src/check/mod.rs
index f0c5f6b85423c..59b2b8c7e0609 100644
--- a/compiler/rustc_hir_analysis/src/check/mod.rs
+++ b/compiler/rustc_hir_analysis/src/check/mod.rs
@@ -508,6 +508,7 @@ fn fn_sig_suggestion<'tcx>(
     // lifetimes between the `impl` and the `trait`, but this should be good enough to
     // fill in a significant portion of the missing code, and other subsequent
     // suggestions can help the user fix the code.
+    // ignore-tidy-todo
     format!("{safety}{asyncness}fn {ident}{generics}({args}){output}{where_clauses} {{ todo!() }}")
 }
 
diff --git a/compiler/rustc_hir_analysis/src/collect/generics_of.rs b/compiler/rustc_hir_analysis/src/collect/generics_of.rs
index cf7f026208ff2..0bdaa3dd10183 100644
--- a/compiler/rustc_hir_analysis/src/collect/generics_of.rs
+++ b/compiler/rustc_hir_analysis/src/collect/generics_of.rs
@@ -257,8 +257,9 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics {
         let generics = tcx.generics_of(def_id);
         assert!(!has_self);
         parent_has_self = generics.has_self;
-        own_start = generics.count() as u32;
-        generics.parent_count + generics.own_params.len()
+        let count = generics.count();
+        own_start = count as u32;
+        count
     });
 
     let mut own_params: Vec<_> = Vec::with_capacity(hir_generics.params.len() + has_self as usize);
diff --git a/compiler/rustc_hir_analysis/src/collect/type_of.rs b/compiler/rustc_hir_analysis/src/collect/type_of.rs
index 9c8e61d89da97..cdcd6d1dee37d 100644
--- a/compiler/rustc_hir_analysis/src/collect/type_of.rs
+++ b/compiler/rustc_hir_analysis/src/collect/type_of.rs
@@ -67,7 +67,8 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_
         Node::TraitItem(item) => match item.kind {
             TraitItemKind::Fn(..) => {
                 let args = ty::GenericArgs::identity_for_item(tcx, def_id);
-                Ty::new_fn_def(tcx, def_id.to_def_id(), args)
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                Ty::new_fn_def(tcx, def_id.to_def_id(), ty::Binder::dummy(args))
             }
             TraitItemKind::Const(ty, rhs) => rhs
                 .and_then(|rhs| {
@@ -93,7 +94,8 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_
         Node::ImplItem(item) => match item.kind {
             ImplItemKind::Fn(..) => {
                 let args = ty::GenericArgs::identity_for_item(tcx, def_id);
-                Ty::new_fn_def(tcx, def_id.to_def_id(), args)
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                Ty::new_fn_def(tcx, def_id.to_def_id(), ty::Binder::dummy(args))
             }
             ImplItemKind::Const(ty, rhs) => {
                 if ty.is_suggestable_infer_ty() {
@@ -171,7 +173,8 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_
             },
             ItemKind::Fn { .. } => {
                 let args = ty::GenericArgs::identity_for_item(tcx, def_id);
-                Ty::new_fn_def(tcx, def_id.to_def_id(), args)
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                Ty::new_fn_def(tcx, def_id.to_def_id(), ty::Binder::dummy(args))
             }
             ItemKind::Enum(..) | ItemKind::Struct(..) | ItemKind::Union(..) => {
                 let def = tcx.adt_def(def_id);
@@ -195,7 +198,8 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_
         Node::ForeignItem(foreign_item) => match foreign_item.kind {
             ForeignItemKind::Fn(..) => {
                 let args = ty::GenericArgs::identity_for_item(tcx, def_id);
-                Ty::new_fn_def(tcx, def_id.to_def_id(), args)
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                Ty::new_fn_def(tcx, def_id.to_def_id(), ty::Binder::dummy(args))
             }
             ForeignItemKind::Static(ty, _, _) => {
                 let ty = icx.lower_ty(ty);
@@ -217,7 +221,8 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_
             }
             VariantData::Tuple(_, _, ctor) => {
                 let args = ty::GenericArgs::identity_for_item(tcx, def_id);
-                Ty::new_fn_def(tcx, ctor.to_def_id(), args)
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                Ty::new_fn_def(tcx, ctor.to_def_id(), ty::Binder::dummy(args))
             }
         },
 
diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs
index 300eb5263d5dd..6dbbd38bfedba 100644
--- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs
+++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs
@@ -1483,7 +1483,11 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
             }
             TypeRelativePath::Ctor { ctor_def_id, args } => match tcx.def_kind(ctor_def_id) {
                 DefKind::Ctor(_, CtorKind::Fn) => {
-                    Ok(ty::Const::zero_sized(tcx, Ty::new_fn_def(tcx, ctor_def_id, args)))
+                    // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                    Ok(ty::Const::zero_sized(
+                        tcx,
+                        Ty::new_fn_def(tcx, ctor_def_id, ty::Binder::dummy(args)),
+                    ))
                 }
                 DefKind::Ctor(ctor_of, CtorKind::Const) => {
                     Ok(self.construct_const_ctor_value(ctor_def_id, ctor_of, args))
@@ -2581,7 +2585,9 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
             .map(|(field_def, arg)| {
                 self.lower_const_arg(
                     arg,
-                    tcx.type_of(field_def.did).instantiate(tcx, adt_args).skip_norm_wip(),
+                    tcx.type_of(field_def.did)
+                        .instantiate(tcx, adt_args.no_bound_vars().unwrap())
+                        .skip_norm_wip(),
                 )
             })
             .collect::<Vec<_>>();
@@ -2594,7 +2600,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
         };
 
         let valtree = ty::ValTree::from_branches(tcx, opt_discr_const.into_iter().chain(fields));
-        let adt_ty = Ty::new_adt(tcx, adt_def, adt_args);
+        let adt_ty = Ty::new_adt(tcx, adt_def, adt_args.no_bound_vars().unwrap());
         ty::Const::new_value(tcx, valtree, adt_ty)
     }
 
@@ -2906,7 +2912,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
                     &path.segments[generic_segments[0].1],
                 );
 
-                ty::Const::zero_sized(tcx, Ty::new_fn_def(tcx, did, args))
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                ty::Const::zero_sized(tcx, Ty::new_fn_def(tcx, did, ty::Binder::dummy(args)))
             }
             Res::Def(DefKind::AssocConst { .. }, did) => {
                 let trait_segment = if let [modules @ .., trait_, _item] = path.segments {
@@ -2937,7 +2944,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
                 );
 
                 if self.tcx().generics_of(did).own_synthetic_params_count() == 0 {
-                    ty::Const::zero_sized(tcx, Ty::new_fn_def(tcx, did, args))
+                    // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                    ty::Const::zero_sized(tcx, Ty::new_fn_def(tcx, did, ty::Binder::dummy(args)))
                 } else {
                     let tcx = self.tcx();
                     let generics = tcx.generics_of(did);
@@ -2954,7 +2962,11 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
                         }
                     });
 
-                    ty::Const::zero_sized(tcx, Ty::new_fn_def(tcx, did, args))
+                    // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                    ty::Const::zero_sized(
+                        tcx,
+                        Ty::new_fn_def(tcx, did, ty::Binder::dummy(args.collect::<Box<_>>())),
+                    )
                 }
             }
 
diff --git a/compiler/rustc_hir_typeck/src/callee.rs b/compiler/rustc_hir_typeck/src/callee.rs
index 0374689465679..1ba299df23613 100644
--- a/compiler/rustc_hir_typeck/src/callee.rs
+++ b/compiler/rustc_hir_typeck/src/callee.rs
@@ -551,6 +551,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
     ) -> Ty<'tcx> {
         let (fn_sig, def_id, callee_generic_args) = match *callee_ty.kind() {
             ty::FnDef(def_id, args) => {
+                let args = args.no_bound_vars().unwrap();
                 self.enforce_context_effects(Some(call_expr.hir_id), call_expr.span, def_id, args);
                 let fn_sig = self.tcx.fn_sig(def_id).instantiate(self.tcx, args).skip_norm_wip();
 
@@ -696,7 +697,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                 scope,
             );
 
-            let Ok(pick) = pick else { return do_check() };
+            let Ok(ref pick) = pick else { return do_check() };
+
+            let mut ctx = ConfirmContext::new(self, arg.span, arg, arg);
+            let (adjusted_arg_type, method_adjustments) =
+                ctx.create_ty_adjustments_from_pick(arg_type, pick);
 
             if is_first_arg && args_to_map.len() > 1 {
                 // We successfully found a pick and adjustments for first argument,
@@ -706,7 +711,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                 let cause = self.cause(call_expr.span, ObligationCauseCode::Misc);
                 if self
                     .at(&cause, self.param_env)
-                    .sup(DefineOpaqueTypes::Yes, formal_input_tys[0], pick.self_ty)
+                    .sup(DefineOpaqueTypes::Yes, formal_input_tys[0], adjusted_arg_type)
                     .is_err()
                 {
                     return do_check();
@@ -723,9 +728,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                     self.typeck_results
                         .borrow_mut()
                         .node_types_mut()
-                        .insert(arg.hir_id, pick.self_ty)
+                        .insert(arg.hir_id, adjusted_arg_type)
                         .expect("must be set"),
-                    pick,
+                    method_adjustments,
                 ),
             );
         }
@@ -736,13 +741,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
             let mut results = self.typeck_results.borrow_mut();
             let mut adjustments = results.adjustments_mut();
 
-            let (prev_type, pick) = prev_types.remove(&arg.hir_id).expect("must be in a map");
+            let (prev_type, method_adjustments) =
+                prev_types.remove(&arg.hir_id).expect("must be in a map");
 
             // Remove any added adjustments for arg expression during `do_check` and replace them with ours.
             let adjustments = adjustments.entry(arg.hir_id).or_default();
-
-            let mut ctx = ConfirmContext::new(self, arg.span, arg, arg);
-            *adjustments = ctx.create_ty_adjustments_from_pick(prev_type, &pick).1;
+            *adjustments = method_adjustments;
 
             // Restore original first provided arg type.
             results.node_types_mut().insert(arg.hir_id, prev_type);
diff --git a/compiler/rustc_hir_typeck/src/cast.rs b/compiler/rustc_hir_typeck/src/cast.rs
index a28ab5887de2b..af95685097e23 100644
--- a/compiler/rustc_hir_typeck/src/cast.rs
+++ b/compiler/rustc_hir_typeck/src/cast.rs
@@ -118,7 +118,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                 Some(&f) => self.pointer_kind(f, span)?,
             },
 
-            ty::UnsafeBinder(_) => todo!("FIXME(unsafe_binder)"),
+            ty::UnsafeBinder(_) => unimplemented!("FIXME(unsafe_binder)"),
 
             // Pointers to foreign types are thin, despite being unsized
             ty::Foreign(..) => Some(PointerKind::Thin),
diff --git a/compiler/rustc_hir_typeck/src/closure.rs b/compiler/rustc_hir_typeck/src/closure.rs
index ed50779e1370c..a8c32f19c6a13 100644
--- a/compiler/rustc_hir_typeck/src/closure.rs
+++ b/compiler/rustc_hir_typeck/src/closure.rs
@@ -196,7 +196,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                         (bound_sig.skip_binder().output(), tcx.types.unit)
                     }
                     hir::CoroutineDesugaring::AsyncGen => {
-                        todo!("`async gen` closures not supported yet")
+                        unimplemented!("`async gen` closures not supported yet")
                     }
                 };
                 // Compute all of the variables that will be used to populate the coroutine.
diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs
index 5a30f0fb56c66..6fab772dfff83 100644
--- a/compiler/rustc_hir_typeck/src/expr.rs
+++ b/compiler/rustc_hir_typeck/src/expr.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 // FIXME: we should move the field error reporting code somewhere else.
 
 //! Type checking expressions.
diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs
index 6fb72f414a049..0fcfe59d326be 100644
--- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs
+++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 use core::cmp::min;
 use core::iter;
 
diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs
index 42c08f6409e8a..0ca955d5e43ad 100644
--- a/compiler/rustc_hir_typeck/src/method/suggest.rs
+++ b/compiler/rustc_hir_typeck/src/method/suggest.rs
@@ -1,7 +1,7 @@
 //! Give useful errors and suggestions to users when an item can't be
 //! found or is otherwise invalid.
 
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 
 use core::ops::ControlFlow;
 use std::borrow::Cow;
diff --git a/compiler/rustc_lint/src/internal.rs b/compiler/rustc_lint/src/internal.rs
index e10ee05e01d91..f8f229a372ceb 100644
--- a/compiler/rustc_lint/src/internal.rs
+++ b/compiler/rustc_lint/src/internal.rs
@@ -170,7 +170,13 @@ fn get_callee_span_generic_args_and_args<'tcx>(
         && let callee_ty = cx.typeck_results().expr_ty(callee)
         && let ty::FnDef(callee_def_id, generic_args) = callee_ty.kind()
     {
-        return Some((*callee_def_id, callee.span, generic_args, None, args));
+        return Some((
+            *callee_def_id,
+            callee.span,
+            generic_args.no_bound_vars().unwrap(),
+            None,
+            args,
+        ));
     }
     if let ExprKind::MethodCall(segment, recv, args, _) = expr.kind
         && let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id)
diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs
index eb82afab13186..909384bae824f 100644
--- a/compiler/rustc_lint/src/lints.rs
+++ b/compiler/rustc_lint/src/lints.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 
 use std::num::NonZero;
 
diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs
index 1f9c5a8eecad0..9fa577ebdcc9b 100644
--- a/compiler/rustc_middle/src/mir/mod.rs
+++ b/compiler/rustc_middle/src/mir/mod.rs
@@ -1701,6 +1701,8 @@ pub fn find_self_call<'tcx>(
         && let [Spanned { node: Operand::Move(self_place) | Operand::Copy(self_place), .. }, ..] =
             **args
     {
+        let fn_args = fn_args.no_bound_vars().unwrap();
+
         if self_place.as_local() == Some(local) {
             return Some((def_id, fn_args));
         }
diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs
index a9a903190900e..021c1c176d788 100644
--- a/compiler/rustc_middle/src/mir/pretty.rs
+++ b/compiler/rustc_middle/src/mir/pretty.rs
@@ -2035,7 +2035,7 @@ fn pretty_print_const_value_tcx<'tcx>(
         (ConstValue::ZeroSized, ty::FnDef(d, s)) => {
             let mut p = FmtPrinter::new(tcx, Namespace::ValueNS);
             p.print_alloc_ids = true;
-            p.pretty_print_value_path(*d, s)?;
+            p.pretty_print_value_path(*d, s.no_bound_vars().unwrap())?;
             fmt.write_str(&p.into_buffer())?;
             return Ok(());
         }
diff --git a/compiler/rustc_middle/src/mir/statement.rs b/compiler/rustc_middle/src/mir/statement.rs
index 8e1479d284fd8..fc061eb364996 100644
--- a/compiler/rustc_middle/src/mir/statement.rs
+++ b/compiler/rustc_middle/src/mir/statement.rs
@@ -621,7 +621,7 @@ impl<'tcx> Operand<'tcx> {
     pub fn function_handle(
         tcx: TyCtxt<'tcx>,
         def_id: DefId,
-        args: impl IntoIterator<Item = GenericArg<'tcx>>,
+        args: ty::Binder<'tcx, impl IntoIterator<Item = GenericArg<'tcx>>>,
         span: Span,
     ) -> Self {
         let ty = Ty::new_fn_def(tcx, def_id, args);
@@ -708,7 +708,11 @@ impl<'tcx> Operand<'tcx> {
     /// find as the `func` in a [`TerminatorKind::Call`].
     pub fn const_fn_def(&self) -> Option<(DefId, GenericArgsRef<'tcx>)> {
         let const_ty = self.constant()?.const_.ty();
-        if let ty::FnDef(def_id, args) = *const_ty.kind() { Some((def_id, args)) } else { None }
+        if let ty::FnDef(def_id, args) = *const_ty.kind() {
+            Some((def_id, args.no_bound_vars().unwrap()))
+        } else {
+            None
+        }
     }
 
     pub fn ty<D>(&self, local_decls: &D, tcx: TyCtxt<'tcx>) -> Ty<'tcx>
diff --git a/compiler/rustc_middle/src/mir/terminator.rs b/compiler/rustc_middle/src/mir/terminator.rs
index 65de01236c728..ed86b192f6dcc 100644
--- a/compiler/rustc_middle/src/mir/terminator.rs
+++ b/compiler/rustc_middle/src/mir/terminator.rs
@@ -368,7 +368,7 @@ impl<O: fmt::Debug> fmt::Display for AssertKind<O> {
                 write!(f, "`async fn` resumed after completion")
             }
             ResumedAfterReturn(CoroutineKind::Desugared(CoroutineDesugaring::AsyncGen, _)) => {
-                todo!()
+                unimplemented!()
             }
             ResumedAfterReturn(CoroutineKind::Desugared(CoroutineDesugaring::Gen, _)) => {
                 bug!("gen blocks can be resumed after they return and will keep returning `None`")
@@ -380,7 +380,7 @@ impl<O: fmt::Debug> fmt::Display for AssertKind<O> {
                 write!(f, "`async fn` resumed after panicking")
             }
             ResumedAfterPanic(CoroutineKind::Desugared(CoroutineDesugaring::AsyncGen, _)) => {
-                todo!()
+                unimplemented!()
             }
             ResumedAfterPanic(CoroutineKind::Desugared(CoroutineDesugaring::Gen, _)) => {
                 write!(f, "`gen` fn or block cannot be further iterated on after it panicked")
@@ -397,7 +397,7 @@ impl<O: fmt::Debug> fmt::Display for AssertKind<O> {
                 write!(f, "`async fn` resumed after async drop")
             }
             ResumedAfterDrop(CoroutineKind::Desugared(CoroutineDesugaring::AsyncGen, _)) => {
-                todo!()
+                unimplemented!()
             }
             ResumedAfterDrop(CoroutineKind::Desugared(CoroutineDesugaring::Gen, _)) => {
                 write!(f, "`gen` fn or block cannot be further iterated on after it async dropped")
diff --git a/compiler/rustc_middle/src/ty/adt.rs b/compiler/rustc_middle/src/ty/adt.rs
index a0daa04844e03..09177b12ddced 100644
--- a/compiler/rustc_middle/src/ty/adt.rs
+++ b/compiler/rustc_middle/src/ty/adt.rs
@@ -311,7 +311,7 @@ impl<'tcx> rustc_type_ir::inherent::AdtDef<TyCtxt<'tcx>> for AdtDef<'tcx> {
 
     fn destructor(self, tcx: TyCtxt<'tcx>) -> Option<AdtDestructorKind> {
         Some(match tcx.constness(self.destructor(tcx)?.did) {
-            hir::Constness::Const { always: true } => todo!("FIXME(comptime)"),
+            hir::Constness::Const { always: true } => unimplemented!("FIXME(comptime)"),
             hir::Constness::Const { always: false } => AdtDestructorKind::Const,
             hir::Constness::NotConst => AdtDestructorKind::NotConst,
         })
diff --git a/compiler/rustc_middle/src/ty/diagnostics.rs b/compiler/rustc_middle/src/ty/diagnostics.rs
index fadf1ee2ee384..f2e6678391fa0 100644
--- a/compiler/rustc_middle/src/ty/diagnostics.rs
+++ b/compiler/rustc_middle/src/ty/diagnostics.rs
@@ -698,7 +698,10 @@ impl<'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for MakeSuggestableFolder<'tcx> {
 
             FnDef(def_id, args) if self.placeholder.is_none() => Ty::new_fn_ptr(
                 self.tcx,
-                self.tcx.fn_sig(def_id).instantiate(self.tcx, args).skip_norm_wip(),
+                self.tcx
+                    .fn_sig(def_id)
+                    .instantiate(self.tcx, args.no_bound_vars().unwrap())
+                    .skip_norm_wip(),
             ),
 
             Closure(..)
diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs
index 2d45b6feb59f0..7d7ca37ff3243 100644
--- a/compiler/rustc_middle/src/ty/print/pretty.rs
+++ b/compiler/rustc_middle/src/ty/print/pretty.rs
@@ -743,6 +743,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write {
                 write!(self, ")")?;
             }
             ty::FnDef(def_id, args) => {
+                let args = args.no_bound_vars().unwrap();
                 if with_reduced_queries() {
                     self.print_def_path(def_id, args)?;
                 } else {
@@ -2031,7 +2032,8 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write {
             }
             (_, ty::FnDef(def_id, args)) => {
                 // Never allowed today, but we still encounter them in invalid const args.
-                self.pretty_print_value_path(def_id, args)?;
+                // FIXME(addiesh): fix wrt late-bound stuff
+                self.pretty_print_value_path(def_id, args.no_bound_vars().unwrap())?;
                 return Ok(());
             }
             // FIXME(oli-obk): also pretty print arrays and other aggregate constants by reading
diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs
index c427ed0552d91..bb3a4f4fadee0 100644
--- a/compiler/rustc_middle/src/ty/sty.rs
+++ b/compiler/rustc_middle/src/ty/sty.rs
@@ -736,13 +736,14 @@ impl<'tcx> Ty<'tcx> {
     pub fn new_fn_def(
         tcx: TyCtxt<'tcx>,
         def_id: DefId,
-        args: impl IntoIterator<Item: Into<GenericArg<'tcx>>>,
+        args: ty::Binder<'tcx, impl IntoIterator<Item: Into<GenericArg<'tcx>>>>,
     ) -> Ty<'tcx> {
         debug_assert_matches!(
             tcx.def_kind(def_id),
             DefKind::AssocFn | DefKind::Fn | DefKind::Ctor(_, CtorKind::Fn)
         );
-        let args = tcx.check_and_mk_args(def_id, args);
+        // FIXME(156581): check that the binder is being used correctly (turbofishing/fndef changes)
+        let args = args.map_bound(|args| tcx.check_and_mk_args(def_id, args));
         Ty::new(tcx, FnDef(def_id, args))
     }
 
@@ -1114,7 +1115,11 @@ impl<'tcx> rustc_type_ir::inherent::Ty<TyCtxt<'tcx>> for Ty<'tcx> {
         Ty::from_coroutine_closure_kind(interner, kind)
     }
 
-    fn new_fn_def(interner: TyCtxt<'tcx>, def_id: DefId, args: ty::GenericArgsRef<'tcx>) -> Self {
+    fn new_fn_def(
+        interner: TyCtxt<'tcx>,
+        def_id: DefId,
+        args: ty::Binder<'tcx, ty::GenericArgsRef<'tcx>>,
+    ) -> Self {
         Ty::new_fn_def(interner, def_id, args)
     }
 
@@ -1811,7 +1816,7 @@ impl<'tcx> Ty<'tcx> {
             // metadata of `tail`.
             ty::Param(_) | ty::Alias(..) => Err(tail),
 
-            ty::UnsafeBinder(_) => todo!("FIXME(unsafe_binder)"),
+            ty::UnsafeBinder(_) => unimplemented!("FIXME(unsafe_binder)"),
 
             ty::Infer(ty::TyVar(_))
             | ty::Pat(..)
diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs
index 701508d0b1a69..c4d9ec9f64289 100644
--- a/compiler/rustc_middle/src/ty/util.rs
+++ b/compiler/rustc_middle/src/ty/util.rs
@@ -1303,7 +1303,7 @@ impl<'tcx> Ty<'tcx> {
             | ty::Error(_)
             | ty::FnPtr(..) => true,
             // FIXME(unsafe_binders):
-            ty::UnsafeBinder(_) => todo!(),
+            ty::UnsafeBinder(_) => unimplemented!(),
             ty::Tuple(fields) => fields.iter().all(Self::is_trivially_not_async_drop),
             ty::Pat(elem_ty, _) | ty::Slice(elem_ty) | ty::Array(elem_ty, _) => {
                 elem_ty.is_trivially_not_async_drop()
diff --git a/compiler/rustc_mir_build/src/builder/expr/into.rs b/compiler/rustc_mir_build/src/builder/expr/into.rs
index ecc14fe887f24..f04247491ccfa 100644
--- a/compiler/rustc_mir_build/src/builder/expr/into.rs
+++ b/compiler/rustc_mir_build/src/builder/expr/into.rs
@@ -403,6 +403,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
                     && let Some(intrinsic) = this.tcx.intrinsic(def_id)
                     && matches!(intrinsic.name, sym::write_via_move | sym::write_box_via_move) =>
             {
+                let generic_args = generic_args.no_bound_vars().unwrap();
                 // We still have to evaluate the callee expression as normal (but we don't care
                 // about its result).
                 let _fun = unpack!(block = this.as_local_operand(block, fun));
@@ -531,7 +532,13 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
                     let success = this.cfg.start_new_block();
                     let clone_trait = this.tcx.require_lang_item(LangItem::Clone, span);
                     let clone_fn = this.tcx.associated_item_def_ids(clone_trait)[0];
-                    let func = Operand::function_handle(this.tcx, clone_fn, [ty.into()], expr_span);
+                    // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                    let func = Operand::function_handle(
+                        this.tcx,
+                        clone_fn,
+                        ty::Binder::dummy([ty.into()]),
+                        expr_span,
+                    );
                     let ref_ty = Ty::new_imm_ref(this.tcx, this.tcx.lifetimes.re_erased, ty);
                     let ref_place = this.temp(ref_ty, span);
                     this.cfg.push_assign(
diff --git a/compiler/rustc_mir_build/src/builder/matches/test.rs b/compiler/rustc_mir_build/src/builder/matches/test.rs
index ea1dcb80d4bb4..a1087b9ff98a0 100644
--- a/compiler/rustc_mir_build/src/builder/matches/test.rs
+++ b/compiler/rustc_mir_build/src/builder/matches/test.rs
@@ -348,7 +348,8 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
         let source_info = self.source_info(span);
         let re_erased = self.tcx.lifetimes.re_erased;
         let trait_item = self.tcx.require_lang_item(trait_item, span);
-        let method = trait_method(self.tcx, trait_item, method, [ty]);
+        // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+        let method = trait_method(self.tcx, trait_item, method, ty::Binder::dummy([ty]));
         let ref_src = self.temp(Ty::new_ref(self.tcx, re_erased, ty, mutability), span);
         // `let ref_src = &src_place;`
         // or `let ref_src = &mut src_place;`
@@ -421,7 +422,9 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
     ) {
         let str_ty = self.tcx.types.str_;
         let eq_def_id = self.tcx.require_lang_item(LangItem::PartialEq, source_info.span);
-        let method = trait_method(self.tcx, eq_def_id, sym::eq, [str_ty, str_ty]);
+        let method =
+            // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+            trait_method(self.tcx, eq_def_id, sym::eq, ty::Binder::dummy([str_ty, str_ty]));
 
         let bool_ty = self.tcx.types.bool;
         let eq_result = self.temp(bool_ty, source_info.span);
@@ -468,7 +471,7 @@ fn trait_method<'tcx>(
     tcx: TyCtxt<'tcx>,
     trait_def_id: DefId,
     method_name: Symbol,
-    args: impl IntoIterator<Item: Into<GenericArg<'tcx>>>,
+    args: ty::Binder<'tcx, impl IntoIterator<Item: Into<GenericArg<'tcx>>>>,
 ) -> Const<'tcx> {
     // The unhygienic comparison here is acceptable because this is only
     // used on known traits.
diff --git a/compiler/rustc_mir_build/src/check_tail_calls.rs b/compiler/rustc_mir_build/src/check_tail_calls.rs
index 26deba3f58c5a..e148620cc62e2 100644
--- a/compiler/rustc_mir_build/src/check_tail_calls.rs
+++ b/compiler/rustc_mir_build/src/check_tail_calls.rs
@@ -94,6 +94,7 @@ impl<'tcx> TailCallCkVisitor<'_, 'tcx> {
         }
 
         if let &ty::FnDef(did, args) = ty.kind() {
+            let args = args.no_bound_vars().unwrap();
             // Closures in thir look something akin to
             // `for<'a> extern "rust-call" fn(&'a [closure@...], ()) -> <[closure@...] as FnOnce<()>>::Output {<[closure@...] as Fn<()>>::call}`
             // So we have to check for them in this weird way...
diff --git a/compiler/rustc_mir_build/src/diagnostics.rs b/compiler/rustc_mir_build/src/diagnostics.rs
index b9dbbb169fb8c..154edfdf4a577 100644
--- a/compiler/rustc_mir_build/src/diagnostics.rs
+++ b/compiler/rustc_mir_build/src/diagnostics.rs
@@ -679,6 +679,7 @@ impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for NonExhaustivePatternsTypeNo
             diag.span_suggestion_verbose(
                 braces_span,
                 msg!("ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown"),
+                // ignore-tidy-todo
                 format!(" {{{indentation}{more}_ => todo!(),{indentation}}}"),
                 Applicability::HasPlaceholders,
             );
@@ -1296,6 +1297,7 @@ pub(crate) enum SuggestLet {
     If {
         #[suggestion_part(code = "if ")]
         start_span: Span,
+        // ignore-tidy-todo
         #[suggestion_part(code = " {{ todo!() }}")]
         semi_span: Span,
         count: usize,
@@ -1305,6 +1307,7 @@ pub(crate) enum SuggestLet {
             [one] variant that isn't
             *[other] variants that aren't
         } matched",
+        // ignore-tidy-todo
         code = " else {{ todo!() }}",
         applicability = "has-placeholders"
     )]
diff --git a/compiler/rustc_mir_build/src/thir/cx/expr.rs b/compiler/rustc_mir_build/src/thir/cx/expr.rs
index 650dcf61c66ac..10dc59a8950fd 100644
--- a/compiler/rustc_mir_build/src/thir/cx/expr.rs
+++ b/compiler/rustc_mir_build/src/thir/cx/expr.rs
@@ -199,8 +199,12 @@ impl<'tcx> ThirBuildCx<'tcx> {
                 // We don't need to do call adjust_span here since
                 // deref coercions always start with a built-in deref.
                 let call_def_id = deref.method_call(self.tcx);
-                let overloaded_callee =
-                    Ty::new_fn_def(self.tcx, call_def_id, self.tcx.mk_args(&[expr.ty.into()]));
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                let overloaded_callee = Ty::new_fn_def(
+                    self.tcx,
+                    call_def_id,
+                    ty::Binder::dummy(self.tcx.mk_args(&[expr.ty.into()])),
+                );
 
                 expr = Expr {
                     temp_scope_id,
@@ -851,8 +855,12 @@ impl<'tcx> ThirBuildCx<'tcx> {
                 };
                 let mk_call =
                     |thir: &mut Thir<'tcx>, ty: Ty<'tcx>, variant: VariantIdx, field: FieldIdx| {
-                        let fun_ty =
-                            Ty::new_fn_def(tcx, offset_of_intrinsic, [ty::GenericArg::from(ty)]);
+                        // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                        let fun_ty = Ty::new_fn_def(
+                            tcx,
+                            offset_of_intrinsic,
+                            ty::Binder::dummy([ty::GenericArg::from(ty)]),
+                        );
                         let fun = thir
                             .exprs
                             .push(mk_expr(ExprKind::ZstLiteral { user_ty: None }, fun_ty));
@@ -1203,7 +1211,12 @@ impl<'tcx> ThirBuildCx<'tcx> {
                 let user_ty = self.user_args_applied_to_res(expr.hir_id, Res::Def(kind, def_id));
                 debug!("method_callee: user_ty={:?}", user_ty);
                 (
-                    Ty::new_fn_def(self.tcx, def_id, self.typeck_results.node_args(expr.hir_id)),
+                    // FIXME: instantiate binder correctly (turbofish/fndex)
+                    Ty::new_fn_def(
+                        self.tcx,
+                        def_id,
+                        ty::Binder::dummy(self.typeck_results.node_args(expr.hir_id)),
+                    ),
                     user_ty,
                 )
             }
@@ -1237,9 +1250,12 @@ impl<'tcx> ThirBuildCx<'tcx> {
 
             Expr {
                 temp_scope_id: expr.hir_id.local_id,
-                // Create a new FnDef type, representing the splatted function arguments with
-                // user-supplied generic types applied
-                ty: Ty::new_fn_def(self.tcx, def_id, self.typeck_results.node_args(expr.hir_id)),
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                ty: Ty::new_fn_def(
+                    self.tcx,
+                    def_id,
+                    ty::Binder::dummy(self.typeck_results.node_args(expr.hir_id)),
+                ),
                 span,
                 kind: ExprKind::ZstLiteral { user_ty },
             }
diff --git a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs
index a757c96bd7f3d..57a71467f6f01 100644
--- a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs
+++ b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs
@@ -1375,9 +1375,11 @@ fn report_non_exhaustive_match<'p, 'tcx>(
             // Arms with a never pattern don't take a body.
             pattern
         } else {
+            // ignore-tidy-todo
             format!("{pattern} => todo!()")
         }
     } else {
+        // ignore-tidy-todo
         format!("_ => todo!()")
     };
     let mut suggestion = None;
diff --git a/compiler/rustc_mir_build/src/thir/pattern/mod.rs b/compiler/rustc_mir_build/src/thir/pattern/mod.rs
index 11b31cb3976c9..07a3c8cc530e9 100644
--- a/compiler/rustc_mir_build/src/thir/pattern/mod.rs
+++ b/compiler/rustc_mir_build/src/thir/pattern/mod.rs
@@ -548,7 +548,8 @@ impl<'tcx, 'ptcx> PatCtxt<'tcx, 'ptcx> {
                 let adt_def = self.tcx.adt_def(enum_id);
                 if adt_def.is_enum() {
                     let args = match ty.kind() {
-                        ty::Adt(_, args) | ty::FnDef(_, args) => args,
+                        ty::FnDef(_, args) => args.no_bound_vars().unwrap(),
+                        ty::Adt(_, args) => args,
                         ty::Error(e) => {
                             // Avoid ICE (#50585)
                             return Box::new(Pat {
diff --git a/compiler/rustc_mir_dataflow/src/rustc_peek.rs b/compiler/rustc_mir_dataflow/src/rustc_peek.rs
index 4eb38569e6d48..35c601f09acd4 100644
--- a/compiler/rustc_mir_dataflow/src/rustc_peek.rs
+++ b/compiler/rustc_mir_dataflow/src/rustc_peek.rs
@@ -163,6 +163,8 @@ impl PeekCall {
             &terminator.kind
             && let ty::FnDef(def_id, fn_args) = *func.const_.ty().kind()
         {
+            let fn_args = fn_args.no_bound_vars().unwrap();
+
             if tcx.intrinsic(def_id)?.name != sym::rustc_peek {
                 return None;
             }
diff --git a/compiler/rustc_mir_dataflow/src/value_analysis.rs b/compiler/rustc_mir_dataflow/src/value_analysis.rs
index 1e04453680e81..5efeb6e7617be 100644
--- a/compiler/rustc_mir_dataflow/src/value_analysis.rs
+++ b/compiler/rustc_mir_dataflow/src/value_analysis.rs
@@ -594,7 +594,7 @@ impl<'tcx> Map<'tcx> {
         if let Some(tail) = tail {
             let ty = match tail {
                 TrackElem::Discriminant => ty.ty.discriminant_ty(tcx),
-                TrackElem::Variant(..) | TrackElem::Field(..) => todo!(),
+                TrackElem::Variant(..) | TrackElem::Field(..) => unimplemented!(),
                 TrackElem::DerefLen => tcx.types.usize,
             };
             place_index = self.register_place_index(ty, place_index, tail);
diff --git a/compiler/rustc_mir_transform/src/check_call_recursion.rs b/compiler/rustc_mir_transform/src/check_call_recursion.rs
index 73c1510b9a0e2..1a3f8fcf5f678 100644
--- a/compiler/rustc_mir_transform/src/check_call_recursion.rs
+++ b/compiler/rustc_mir_transform/src/check_call_recursion.rs
@@ -143,6 +143,7 @@ impl<'tcx> TerminatorClassifier<'tcx> for CallRecursion<'tcx> {
 
         let func_ty = func.ty(body, tcx);
         if let ty::FnDef(callee, args) = *func_ty.kind() {
+            let args = args.no_bound_vars().unwrap();
             let Ok(normalized_args) =
                 tcx.try_normalize_erasing_regions(typing_env, Unnormalized::new_wip(args))
             else {
diff --git a/compiler/rustc_mir_transform/src/elaborate_drop.rs b/compiler/rustc_mir_transform/src/elaborate_drop.rs
index 7b33240e9e6e1..8b21e8284476b 100644
--- a/compiler/rustc_mir_transform/src/elaborate_drop.rs
+++ b/compiler/rustc_mir_transform/src/elaborate_drop.rs
@@ -250,7 +250,8 @@ where
 
         let fut_ty = tcx
             .instantiate_bound_regions_with_erased(
-                Ty::new_fn_def(tcx, async_drop_fn_def_id, [drop_ty]).fn_sig(tcx),
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                Ty::new_fn_def(tcx, async_drop_fn_def_id, ty::Binder::dummy([drop_ty])).fn_sig(tcx),
             )
             .output();
         let fut = self.new_temp(fut_ty);
@@ -372,7 +373,13 @@ where
             unwind_with_dead,
             vec![self.storage_live(fut)],
             TerminatorKind::Call {
-                func: Operand::function_handle(tcx, async_drop_fn_def_id, [drop_ty.into()], span),
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                func: Operand::function_handle(
+                    tcx,
+                    async_drop_fn_def_id,
+                    ty::Binder::dummy([drop_ty.into()]),
+                    span,
+                ),
                 args: [dummy_spanned(drop_arg)].into(),
                 destination: fut.into(),
                 target: Some(succ_yield_loop),
@@ -400,7 +407,8 @@ where
                 func: Operand::function_handle(
                     tcx,
                     pin_obj_new_unchecked_fn,
-                    [obj_ref_ty.into()],
+                    // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                    ty::Binder::dummy([obj_ref_ty.into()]),
                     span,
                 ),
                 args: [dummy_spanned(Operand::Move(obj_ref_place))].into(),
@@ -565,7 +573,13 @@ where
             unwind,
             Vec::new(),
             TerminatorKind::Call {
-                func: Operand::function_handle(tcx, poll_fn, [fut_ty.into()], source_info.span),
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                func: Operand::function_handle(
+                    tcx,
+                    poll_fn,
+                    ty::Binder::dummy([fut_ty.into()]),
+                    source_info.span,
+                ),
                 args: [
                     dummy_spanned(Operand::Move(fut_pin_local.into())),
                     dummy_spanned(Operand::Move(context_ref_local.into())),
@@ -594,7 +608,11 @@ where
                     func: Operand::function_handle(
                         tcx,
                         get_context_fn,
-                        [tcx.lifetimes.re_erased.into(), tcx.lifetimes.re_erased.into()],
+                        // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                        ty::Binder::dummy([
+                            tcx.lifetimes.re_erased.into(),
+                            tcx.lifetimes.re_erased.into(),
+                        ]),
                         source_info.span,
                     ),
                     args: [dummy_spanned(Operand::Move(entry_resume_local.into()))].into(),
@@ -624,7 +642,7 @@ where
                 func: Operand::function_handle(
                     tcx,
                     fut_pin_new_unchecked_fn,
-                    [fut_ref_ty.into()],
+                    ty::Binder::dummy([fut_ref_ty.into()]),
                     source_info.span,
                 ),
                 args: [dummy_spanned(Operand::Move(fut_ref_local.into()))].into(),
@@ -1246,7 +1264,13 @@ where
                 ),
             )],
             TerminatorKind::Call {
-                func: Operand::function_handle(tcx, drop_fn, [ty.into()], self.source_info.span),
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                func: Operand::function_handle(
+                    tcx,
+                    drop_fn,
+                    ty::Binder::dummy([ty.into()]),
+                    self.source_info.span,
+                ),
                 args: [dummy_spanned(Operand::Move(Place::from(ref_place)))].into(),
                 destination: unit_temp,
                 target: Some(succ),
diff --git a/compiler/rustc_mir_transform/src/function_item_references.rs b/compiler/rustc_mir_transform/src/function_item_references.rs
index d88d9231c2009..41d16c00ff64b 100644
--- a/compiler/rustc_mir_transform/src/function_item_references.rs
+++ b/compiler/rustc_mir_transform/src/function_item_references.rs
@@ -52,7 +52,12 @@ impl<'tcx> Visitor<'tcx> for FunctionItemRefChecker<'_, 'tcx> {
                         }
                     }
                 } else {
-                    self.check_bound_args(def_id, args_ref, args, source_info);
+                    self.check_bound_args(
+                        def_id,
+                        args_ref.no_bound_vars().unwrap(),
+                        args,
+                        source_info,
+                    );
                 }
             }
         }
@@ -127,7 +132,7 @@ impl<'tcx> FunctionItemRefChecker<'_, 'tcx> {
         referent_ty
             .map(|ref_ty| {
                 if let ty::FnDef(def_id, args_ref) = *ref_ty.kind() {
-                    Some((def_id, args_ref))
+                    Some((def_id, args_ref.no_bound_vars().unwrap()))
                 } else {
                     None
                 }
diff --git a/compiler/rustc_mir_transform/src/impossible_predicates.rs b/compiler/rustc_mir_transform/src/impossible_predicates.rs
index cf3e22212f95a..f255d424eb4c5 100644
--- a/compiler/rustc_mir_transform/src/impossible_predicates.rs
+++ b/compiler/rustc_mir_transform/src/impossible_predicates.rs
@@ -27,18 +27,57 @@
 //!    it's usually never invoked in this way.
 
 use rustc_middle::mir::{Body, START_BLOCK, TerminatorKind};
-use rustc_middle::ty::{TyCtxt, TypeFlags, TypeVisitableExt, Unnormalized};
+use rustc_middle::ty::{self, Ty, TyCtxt, TypeFlags, TypeVisitableExt, Unnormalized};
 use rustc_span::def_id::DefId;
 use rustc_trait_selection::traits;
 use tracing::trace;
 
 use crate::pass_manager::MirPass;
 
+fn is_structurally_unsized<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> bool {
+    match ty.kind() {
+        ty::Str | ty::Slice(_) | ty::Dynamic(_, _) | ty::Foreign(_) => true,
+        ty::Tuple(tys) => tys.last().is_some_and(|ty| is_structurally_unsized(tcx, *ty)),
+        ty::Adt(def, args) => {
+            def.sizedness_constraint(tcx, ty::SizedTraitKind::Sized).is_some_and(|ty| {
+                is_structurally_unsized(tcx, ty.instantiate(tcx, args).skip_norm_wip())
+            })
+        }
+        _ => false,
+    }
+}
+
+fn has_structurally_impossible_sized_predicate<'tcx>(
+    tcx: TyCtxt<'tcx>,
+    sized_trait: DefId,
+    predicate: ty::Clause<'tcx>,
+) -> bool {
+    let Some(trait_predicate) = predicate.as_trait_clause() else {
+        return false;
+    };
+    let trait_predicate = trait_predicate.skip_binder();
+
+    trait_predicate.polarity == ty::PredicatePolarity::Positive
+        && trait_predicate.def_id() == sized_trait
+        && is_structurally_unsized(tcx, trait_predicate.self_ty())
+}
+
 pub(crate) struct ImpossiblePredicates;
 
-pub(crate) fn has_impossible_predicates(tcx: TyCtxt<'_>, def_id: DefId) -> bool {
+pub(crate) fn has_impossible_predicates<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> bool {
     let predicates = tcx.predicates_of(def_id).instantiate_identity(tcx);
     tracing::trace!(?predicates);
+
+    // Some `Sized` predicates that mention local generics are still impossible
+    // for every instantiation, e.g. `dyn Trait<T>: Sized`.
+    if let Some(sized_trait) = tcx.lang_items().sized_trait() {
+        if predicates.predicates.iter().copied().map(Unnormalized::skip_norm_wip).any(|predicate| {
+            has_structurally_impossible_sized_predicate(tcx, sized_trait, predicate)
+        }) {
+            return true;
+        }
+    }
+
     let predicates =
         predicates.predicates.into_iter().map(Unnormalized::skip_norm_wip).filter(|p| {
             !p.has_type_flags(
diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs
index c36b687111c01..3249f196cc56d 100644
--- a/compiler/rustc_mir_transform/src/inline.rs
+++ b/compiler/rustc_mir_transform/src/inline.rs
@@ -560,7 +560,9 @@ fn resolve_callsite<'tcx, I: Inliner<'tcx>>(
             // To resolve an instance its args have to be fully normalized.
             let args = tcx
                 .try_normalize_erasing_regions(inliner.typing_env(), Unnormalized::new_wip(args))
-                .ok()?;
+                .ok()?
+                .no_bound_vars()
+                .unwrap();
             let mut callee =
                 Instance::try_resolve(tcx, inliner.typing_env(), def_id, args).ok().flatten()?;
 
diff --git a/compiler/rustc_mir_transform/src/inline/cycle.rs b/compiler/rustc_mir_transform/src/inline/cycle.rs
index b1a9258d48bb3..8c33b0930d438 100644
--- a/compiler/rustc_mir_transform/src/inline/cycle.rs
+++ b/compiler/rustc_mir_transform/src/inline/cycle.rs
@@ -223,5 +223,5 @@ pub(crate) fn mir_inliner_callees<'tcx>(
             calls.insert(call);
         }
     }
-    tcx.arena.alloc_from_iter(calls.iter().copied())
+    tcx.arena.alloc_from_iter(calls.iter().map(|(did, args)| (*did, args.no_bound_vars().unwrap())))
 }
diff --git a/compiler/rustc_mir_transform/src/instsimplify.rs b/compiler/rustc_mir_transform/src/instsimplify.rs
index 87104364da6af..c5a54d596b4e5 100644
--- a/compiler/rustc_mir_transform/src/instsimplify.rs
+++ b/compiler/rustc_mir_transform/src/instsimplify.rs
@@ -446,7 +446,7 @@ fn resolve_rust_intrinsic<'tcx>(
 ) -> Option<(Symbol, GenericArgsRef<'tcx>)> {
     let ty::FnDef(def_id, args) = *func_ty.kind() else { return None };
     let intrinsic = tcx.intrinsic(def_id)?;
-    Some((intrinsic.name, args))
+    Some((intrinsic.name, args.no_bound_vars().unwrap()))
 }
 
 struct SimplifyUbCheck<'tcx> {
diff --git a/compiler/rustc_mir_transform/src/lower_intrinsics.rs b/compiler/rustc_mir_transform/src/lower_intrinsics.rs
index fe53d301c5574..ba294038d702f 100644
--- a/compiler/rustc_mir_transform/src/lower_intrinsics.rs
+++ b/compiler/rustc_mir_transform/src/lower_intrinsics.rs
@@ -19,6 +19,7 @@ impl<'tcx> crate::MirPass<'tcx> for LowerIntrinsics {
                 && let ty::FnDef(def_id, generic_args) = *func.ty(local_decls, tcx).kind()
                 && let Some(intrinsic) = tcx.intrinsic(def_id)
             {
+                let generic_args = generic_args.no_bound_vars().unwrap();
                 match intrinsic.name {
                     sym::unreachable => {
                         terminator.kind = TerminatorKind::Unreachable;
diff --git a/compiler/rustc_mir_transform/src/shim.rs b/compiler/rustc_mir_transform/src/shim.rs
index 830129700a929..7c80201f4f07f 100644
--- a/compiler/rustc_mir_transform/src/shim.rs
+++ b/compiler/rustc_mir_transform/src/shim.rs
@@ -327,7 +327,13 @@ pub fn build_drop_shim<'tcx>(
         start.terminator = Some(Terminator {
             source_info,
             kind: TerminatorKind::Call {
-                func: Operand::function_handle(tcx, def_id, [ty::GenericArg::from(slice_ty)], span),
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                func: Operand::function_handle(
+                    tcx,
+                    def_id,
+                    ty::Binder::dummy([ty::GenericArg::from(slice_ty)]),
+                    span,
+                ),
                 args: Box::new([Spanned { span, node: Operand::Move(Place::from(erased_local)) }]),
                 destination: Place::from(RETURN_PLACE),
                 target: Some(return_block),
@@ -618,7 +624,8 @@ impl<'tcx> CloneShimBuilder<'tcx> {
         let tcx = self.tcx;
 
         // `func == Clone::clone(&ty) -> ty`
-        let func_ty = Ty::new_fn_def(tcx, self.def_id, [ty]);
+        // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+        let func_ty = Ty::new_fn_def(tcx, self.def_id, ty::Binder::dummy([ty]));
         let func = Operand::Constant(Box::new(ConstOperand {
             span: self.span,
             user_ty: None,
diff --git a/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs b/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs
index 1347fd21db057..ccb361cdb0804 100644
--- a/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs
+++ b/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs
@@ -371,7 +371,13 @@ fn build_adrop_for_adrop_shim<'tcx>(
         Some(Terminator {
             source_info,
             kind: TerminatorKind::Call {
-                func: Operand::function_handle(tcx, pin_fn, [cor_ref.into()], span),
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                func: Operand::function_handle(
+                    tcx,
+                    pin_fn,
+                    ty::Binder::dummy([cor_ref.into()]),
+                    span,
+                ),
                 args: [dummy_spanned(Operand::Move(cor_ref_place))].into(),
                 destination: cor_pin_place,
                 target: Some(call_bb),
@@ -392,7 +398,13 @@ fn build_adrop_for_adrop_shim<'tcx>(
         Some(Terminator {
             source_info,
             kind: TerminatorKind::Call {
-                func: Operand::function_handle(tcx, poll_fn, [impl_ty.into()], span),
+                // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                func: Operand::function_handle(
+                    tcx,
+                    poll_fn,
+                    ty::Binder::dummy([impl_ty.into()]),
+                    span,
+                ),
                 args: [
                     dummy_spanned(Operand::Move(cor_pin_place)),
                     dummy_spanned(Operand::Move(resume_ctx)),
diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs
index 9b18b22399ae8..f7c10a6ffed7c 100644
--- a/compiler/rustc_monomorphize/src/collector.rs
+++ b/compiler/rustc_monomorphize/src/collector.rs
@@ -843,7 +843,7 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirUsedCollector<'a, 'tcx> {
                             self.tcx,
                             ty::TypingEnv::fully_monomorphized(),
                             def_id,
-                            args,
+                            args.no_bound_vars().unwrap(),
                             source,
                         )
                         && instance.def.requires_caller_location(self.tcx)
@@ -952,6 +952,7 @@ fn visit_fn_use<'tcx>(
     output: &mut MonoItems<'tcx>,
 ) {
     if let ty::FnDef(def_id, args) = *ty.kind() {
+        let args = args.no_bound_vars().unwrap();
         let instance = if is_direct_call {
             ty::Instance::expect_resolve(
                 tcx,
@@ -1400,6 +1401,7 @@ fn visit_mentioned_item<'tcx>(
     match *item {
         MentionedItem::Fn(ty) => {
             if let ty::FnDef(def_id, args) = *ty.kind() {
+                let args = args.no_bound_vars().unwrap();
                 let instance = Instance::expect_resolve(
                     tcx,
                     ty::TypingEnv::fully_monomorphized(),
diff --git a/compiler/rustc_monomorphize/src/mono_checks/abi_check.rs b/compiler/rustc_monomorphize/src/mono_checks/abi_check.rs
index 0e30f1f3828e6..4479ce2dba08b 100644
--- a/compiler/rustc_monomorphize/src/mono_checks/abi_check.rs
+++ b/compiler/rustc_monomorphize/src/mono_checks/abi_check.rs
@@ -215,7 +215,13 @@ fn check_call_site_abi<'tcx>(
             if tcx.intrinsic(def_id).is_some() {
                 return;
             }
-            let instance = ty::Instance::expect_resolve(tcx, typing_env, def_id, args, DUMMY_SP);
+            let instance = ty::Instance::expect_resolve(
+                tcx,
+                typing_env,
+                def_id,
+                args.no_bound_vars().unwrap(),
+                DUMMY_SP,
+            );
             tcx.fn_abi_of_instance(typing_env.as_query_input((instance, ty::List::empty())))
         }
         _ => {
diff --git a/compiler/rustc_next_trait_solver/src/canonical/canonicalizer.rs b/compiler/rustc_next_trait_solver/src/canonical/canonicalizer.rs
index 5aa09e1ba7932..a127bb3968210 100644
--- a/compiler/rustc_next_trait_solver/src/canonical/canonicalizer.rs
+++ b/compiler/rustc_next_trait_solver/src/canonical/canonicalizer.rs
@@ -541,7 +541,7 @@ impl<D: SolverDelegate<Interner = I>, I: Interner> TypeFolder<I> for Canonicaliz
                         }
                     }
                 }
-                ty::InferConst::Fresh(_) => todo!(),
+                ty::InferConst::Fresh(_) => unimplemented!(),
             },
             ty::ConstKind::Placeholder(placeholder) => match self.canonicalize_mode {
                 CanonicalizeMode::Input { .. } => {
diff --git a/compiler/rustc_next_trait_solver/src/solve/assembly/structural_traits.rs b/compiler/rustc_next_trait_solver/src/solve/assembly/structural_traits.rs
index 5bc56eae7755d..2703848162b3d 100644
--- a/compiler/rustc_next_trait_solver/src/solve/assembly/structural_traits.rs
+++ b/compiler/rustc_next_trait_solver/src/solve/assembly/structural_traits.rs
@@ -291,7 +291,7 @@ pub(in crate::solve) fn extract_tupled_inputs_and_output_from_callable<I: Intern
             let sig = cx.fn_sig(def_id);
             if sig.skip_binder().is_fn_trait_compatible() && !cx.has_target_features(def_id) {
                 Ok(Some(
-                    sig.instantiate(cx, args)
+                    sig.instantiate(cx, args.no_bound_vars().unwrap())
                         .skip_norm_wip()
                         .map_bound(|sig| (Ty::new_tup(cx, sig.inputs().as_slice()), sig.output())),
                 ))
@@ -691,6 +691,9 @@ pub(in crate::solve) fn extract_fn_def_from_const_callable<I: Interner>(
 ) -> Result<(ty::Binder<I, (I::Ty, I::Ty)>, I::DefId, I::GenericArgs), NoSolution> {
     match self_ty.kind() {
         ty::FnDef(def_id, args) => {
+            // FIXME
+            let args = args.no_bound_vars().unwrap();
+
             let sig = cx.fn_sig(def_id);
             if sig.skip_binder().is_fn_trait_compatible()
                 && !cx.has_target_features(def_id)
diff --git a/compiler/rustc_next_trait_solver/src/solve/effect_goals.rs b/compiler/rustc_next_trait_solver/src/solve/effect_goals.rs
index 198a8045b05d9..1c53bc7711ed8 100644
--- a/compiler/rustc_next_trait_solver/src/solve/effect_goals.rs
+++ b/compiler/rustc_next_trait_solver/src/solve/effect_goals.rs
@@ -289,7 +289,7 @@ where
         _ecx: &mut EvalCtxt<'_, D>,
         _goal: Goal<I, Self>,
     ) -> Result<Candidate<I>, NoSolutionOrRerunNonErased> {
-        todo!("Fn* are not yet const")
+        unimplemented!("Fn* are not yet const")
     }
 
     #[instrument(level = "trace", skip_all, ret)]
@@ -347,7 +347,7 @@ where
         _goal: Goal<I, Self>,
         _kind: rustc_type_ir::ClosureKind,
     ) -> Result<Candidate<I>, NoSolutionOrRerunNonErased> {
-        todo!("AsyncFn* are not yet const")
+        unimplemented!("AsyncFn* are not yet const")
     }
 
     fn consider_builtin_async_fn_kind_helper_candidate(
diff --git a/compiler/rustc_next_trait_solver/src/solve/normalizes_to.rs b/compiler/rustc_next_trait_solver/src/solve/normalizes_to.rs
index bf25617df6573..3706b8ee9d343 100644
--- a/compiler/rustc_next_trait_solver/src/solve/normalizes_to.rs
+++ b/compiler/rustc_next_trait_solver/src/solve/normalizes_to.rs
@@ -783,7 +783,7 @@ where
 
             ty::UnsafeBinder(_) => {
                 // FIXME(unsafe_binder): Figure out how to handle pointee for unsafe binders.
-                todo!()
+                unimplemented!()
             }
 
             ty::Infer(ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_))
@@ -1005,7 +1005,7 @@ where
 
             ty::UnsafeBinder(_) => {
                 // FIXME(unsafe_binders): instantiate this with placeholders?? i guess??
-                todo!("discr subgoal...")
+                unimplemented!("discr subgoal...")
             }
 
             // Given an alias, parameter, or placeholder we add an impl candidate normalizing to a rigid
diff --git a/compiler/rustc_parse/src/diagnostics.rs b/compiler/rustc_parse/src/diagnostics.rs
index c0336cd57603c..0cd6d81f6edcd 100644
--- a/compiler/rustc_parse/src/diagnostics.rs
+++ b/compiler/rustc_parse/src/diagnostics.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 
 use std::borrow::Cow;
 use std::path::PathBuf;
diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs
index e899bf1627681..68450feb38f27 100644
--- a/compiler/rustc_parse/src/parser/expr.rs
+++ b/compiler/rustc_parse/src/parser/expr.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 
 use core::mem;
 use core::ops::{Bound, ControlFlow};
diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs
index 863e4d88872c9..aaee0b8342504 100644
--- a/compiler/rustc_passes/src/check_attr.rs
+++ b/compiler/rustc_passes/src/check_attr.rs
@@ -395,6 +395,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> {
             AttributeKind::RustcSpecializationTrait => (),
             AttributeKind::RustcStdInternalSymbol => (),
             AttributeKind::RustcStrictCoherence(..) => (),
+            AttributeKind::RustcTestEntrypointMarker => (),
             AttributeKind::RustcTestMarker(..) => (),
             AttributeKind::RustcThenThisWouldNeed(..) => (),
             AttributeKind::RustcTrivialFieldReads => (),
diff --git a/compiler/rustc_public/src/unstable/convert/internal.rs b/compiler/rustc_public/src/unstable/convert/internal.rs
index 181498443073d..2f174eeee0059 100644
--- a/compiler/rustc_public/src/unstable/convert/internal.rs
+++ b/compiler/rustc_public/src/unstable/convert/internal.rs
@@ -171,9 +171,10 @@ impl RustcInternal for RigidTy {
                 mutability.internal(tables, tcx),
             ),
             RigidTy::Foreign(def) => rustc_ty::TyKind::Foreign(def.0.internal(tables, tcx)),
-            RigidTy::FnDef(def, args) => {
-                rustc_ty::TyKind::FnDef(def.0.internal(tables, tcx), args.internal(tables, tcx))
-            }
+            RigidTy::FnDef(def, args) => rustc_ty::TyKind::FnDef(
+                def.0.internal(tables, tcx),
+                rustc_middle::ty::Binder::dummy(args.internal(tables, tcx)),
+            ),
             RigidTy::FnPtr(sig) => {
                 let (sig_tys, hdr) = sig.internal(tables, tcx).split();
                 rustc_ty::TyKind::FnPtr(sig_tys, hdr)
diff --git a/compiler/rustc_public/src/unstable/convert/stable/mir.rs b/compiler/rustc_public/src/unstable/convert/stable/mir.rs
index 4293d1bede421..7233df686cc82 100644
--- a/compiler/rustc_public/src/unstable/convert/stable/mir.rs
+++ b/compiler/rustc_public/src/unstable/convert/stable/mir.rs
@@ -245,7 +245,7 @@ impl<'tcx> Stable<'tcx> for mir::Rvalue<'tcx> {
                 crate::mir::Rvalue::Aggregate(agg_kind.stable(tables, cx), operands)
             }
             CopyForDeref(place) => crate::mir::Rvalue::CopyForDeref(place.stable(tables, cx)),
-            WrapUnsafeBinder(..) => todo!("FIXME(unsafe_binders):"),
+            WrapUnsafeBinder(..) => unimplemented!("FIXME(unsafe_binders):"),
         }
     }
 }
@@ -446,7 +446,7 @@ impl<'tcx> Stable<'tcx> for mir::PlaceElem<'tcx> {
             // found at https://github.com/rust-lang/rust/pull/117517#issuecomment-1811683486
             Downcast(_, idx) => crate::mir::ProjectionElem::Downcast(idx.stable(tables, cx)),
             OpaqueCast(ty) => crate::mir::ProjectionElem::OpaqueCast(ty.stable(tables, cx)),
-            UnwrapUnsafeBinder(..) => todo!("FIXME(unsafe_binders):"),
+            UnwrapUnsafeBinder(..) => unimplemented!("FIXME(unsafe_binders):"),
         }
     }
 }
@@ -751,7 +751,7 @@ impl<'tcx> Stable<'tcx> for mir::TerminatorKind<'tcx> {
                 target: target.map(|t| t.as_usize()),
                 unwind: unwind.stable(tables, cx),
             },
-            mir::TerminatorKind::TailCall { func: _, args: _, fn_span: _ } => todo!(),
+            mir::TerminatorKind::TailCall { func: _, args: _, fn_span: _ } => unimplemented!(),
             mir::TerminatorKind::Assert { cond, expected, msg, target, unwind } => {
                 TerminatorKind::Assert {
                     cond: cond.stable(tables, cx),
diff --git a/compiler/rustc_public/src/unstable/convert/stable/ty.rs b/compiler/rustc_public/src/unstable/convert/stable/ty.rs
index e0e212ee47d59..f463507870fa7 100644
--- a/compiler/rustc_public/src/unstable/convert/stable/ty.rs
+++ b/compiler/rustc_public/src/unstable/convert/stable/ty.rs
@@ -460,13 +460,13 @@ impl<'tcx> Stable<'tcx> for ty::TyKind<'tcx> {
             )),
             ty::FnDef(def_id, generic_args) => TyKind::RigidTy(RigidTy::FnDef(
                 tables.fn_def(*def_id),
-                generic_args.stable(tables, cx),
+                generic_args.no_bound_vars().unwrap().stable(tables, cx),
             )),
             ty::FnPtr(sig_tys, hdr) => {
                 TyKind::RigidTy(RigidTy::FnPtr(sig_tys.with(*hdr).stable(tables, cx)))
             }
             // FIXME(unsafe_binders):
-            ty::UnsafeBinder(_) => todo!(),
+            ty::UnsafeBinder(_) => unimplemented!(),
             ty::Dynamic(existential_predicates, region) => TyKind::RigidTy(RigidTy::Dynamic(
                 existential_predicates
                     .iter()
@@ -478,7 +478,9 @@ impl<'tcx> Stable<'tcx> for ty::TyKind<'tcx> {
                 tables.closure_def(*def_id),
                 generic_args.stable(tables, cx),
             )),
-            ty::CoroutineClosure(..) => todo!("FIXME(async_closures): Lower these to SMIR"),
+            ty::CoroutineClosure(..) => {
+                unimplemented!("FIXME(async_closures): Lower these to SMIR")
+            }
             ty::Coroutine(def_id, generic_args) => TyKind::RigidTy(RigidTy::Coroutine(
                 tables.coroutine_def(*def_id),
                 generic_args.stable(tables, cx),
@@ -790,10 +792,10 @@ impl<'tcx> Stable<'tcx> for ty::ClauseKind<'tcx> {
                 crate::ty::ClauseKind::ConstEvaluatable(const_.stable(tables, cx))
             }
             ClauseKind::HostEffect(..) => {
-                todo!()
+                unimplemented!()
             }
             ClauseKind::UnstableFeature(_) => {
-                todo!()
+                unimplemented!()
             }
         }
     }
diff --git a/compiler/rustc_resolve/src/diagnostics/impls.rs b/compiler/rustc_resolve/src/diagnostics/impls.rs
index b56e1263c17c8..b6d278c26e61d 100644
--- a/compiler/rustc_resolve/src/diagnostics/impls.rs
+++ b/compiler/rustc_resolve/src/diagnostics/impls.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 use std::mem;
 use std::ops::ControlFlow;
 
diff --git a/compiler/rustc_resolve/src/effective_visibilities.rs b/compiler/rustc_resolve/src/effective_visibilities.rs
index e20c86d65af3f..8f051cf02d41c 100644
--- a/compiler/rustc_resolve/src/effective_visibilities.rs
+++ b/compiler/rustc_resolve/src/effective_visibilities.rs
@@ -125,26 +125,42 @@ impl<'a, 'ra, 'tcx> EffectiveVisibilitiesVisitor<'a, 'ra, 'tcx> {
     fn set_bindings_effective_visibilities(&mut self, module_id: LocalDefId) {
         let module = self.r.expect_module(module_id.to_def_id());
         for (_, name_resolution) in self.r.resolutions(module).borrow().iter() {
-            let Some(mut decl) = name_resolution.borrow().best_decl() else {
+            let Some(decl) = name_resolution.borrow().best_decl() else {
                 continue;
             };
-            // Set the given effective visibility level to `Level::Direct` and
-            // sets the rest of the `use` chain to `Level::Reexported` until
-            // we hit the actual exported item.
-            let priv_vis = |this: &Self, parent_id, decl| match parent_id {
-                ParentId::Def(_) => this.current_private_vis,
-                ParentId::Import(_) => this.r.private_vis_decl(decl),
-            };
-            let mut parent_id = ParentId::Def(module_id);
-            while let DeclKind::Import { source_decl, .. } = decl.kind {
-                self.update_import(decl, parent_id, priv_vis(self, parent_id, decl));
-                parent_id = ParentId::Import(decl);
-                decl = source_decl;
-            }
-            if let Some(def_id) = decl.res().opt_def_id().and_then(|id| id.as_local()) {
-                let priv_vis = priv_vis(self, parent_id, decl);
-                self.update_def(def_id, decl.vis().expect_local(), parent_id, priv_vis);
+            self.update_decl_chain(decl, ParentId::Def(module_id));
+        }
+    }
+
+    /// Update effective visibilities for the whole reexport chain of a declaration.
+    /// Set the given effective visibility level to `Level::Direct` and
+    /// sets the rest of the `use` chain to `Level::Reexported` until
+    /// we hit the actual exported item.
+    fn update_decl_chain(&mut self, mut decl: Decl<'ra>, mut parent_id: ParentId<'ra>) {
+        let priv_vis = |this: &Self, parent_id, decl| match parent_id {
+            ParentId::Def(_) => this.current_private_vis,
+            ParentId::Import(_) => this.r.private_vis_decl(decl),
+        };
+        while let DeclKind::Import { source_decl, .. } = decl.kind {
+            self.update_import(decl, parent_id, priv_vis(self, parent_id, decl));
+            if let Some(max_vis_decl) = decl.ambiguity_vis_max.get() {
+                // The name is exported with the visibility of the most visible declaration
+                // in its ambiguous glob set (see `DeclData::vis`), so everything on that
+                // declaration's reexport chain, including the final item, must get its
+                // effective visibility from that declaration as well. Otherwise the item
+                // would be considered unreachable by dead code analysis and metadata
+                // encoding despite being exported (see the regression test
+                // `ambiguous-import-visibility-globglob-mir.rs`).
+                // This also avoids the most visible import in an ambiguous glob set
+                // being reported as unused.
+                self.update_decl_chain(max_vis_decl, parent_id);
             }
+            parent_id = ParentId::Import(decl);
+            decl = source_decl;
+        }
+        if let Some(def_id) = decl.res().opt_def_id().and_then(|id| id.as_local()) {
+            let priv_vis = priv_vis(self, parent_id, decl);
+            self.update_def(def_id, decl.vis().expect_local(), parent_id, priv_vis);
         }
     }
 
@@ -194,10 +210,6 @@ impl<'a, 'ra, 'tcx> EffectiveVisibilitiesVisitor<'a, 'ra, 'tcx> {
             parent_id.level(),
             tcx,
         );
-        if let Some(max_vis_decl) = decl.ambiguity_vis_max.get() {
-            // Avoid the most visible import in an ambiguous glob set being reported as unused.
-            self.update_import(max_vis_decl, parent_id, priv_vis);
-        }
     }
 
     fn update_def(
diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs
index 8c375f6d26611..08a09ef437ded 100644
--- a/compiler/rustc_resolve/src/late.rs
+++ b/compiler/rustc_resolve/src/late.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 //! "Late resolution" is the pass that resolves most of names in a crate beside imports and macros.
 //! It runs when the crate is fully expanded and its module structure is fully built.
 //! So it just walks through the crate and resolves all the expressions, types, etc.
diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs
index 4874ccdcd460a..ae8e9e83f5187 100644
--- a/compiler/rustc_resolve/src/late/diagnostics.rs
+++ b/compiler/rustc_resolve/src/late/diagnostics.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 
 use std::borrow::Cow;
 use std::iter;
diff --git a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs
index 873ed9bb10398..f55ceb6ffa6f2 100644
--- a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs
+++ b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs
@@ -508,7 +508,7 @@ pub(crate) fn encode_ty<'tcx>(
         }
 
         // Function types
-        ty::FnDef(def_id, args) | ty::Closure(def_id, args) => {
+        ty::Closure(def_id, args) => {
             // u<length><name>[I<element-type1..element-typeN>E], where <element-type> is <subst>,
             // as vendor extended type.
             let mut s = String::new();
@@ -519,6 +519,23 @@ pub(crate) fn encode_ty<'tcx>(
             typeid.push_str(&s);
         }
 
+        // FIXME: could stand to merge this and the prior match arm
+        ty::FnDef(def_id, args) => {
+            let mut s = String::new();
+            let name = encode_ty_name(tcx, *def_id);
+            let _ = write!(s, "u{}{}", name.len(), name);
+            s.push_str(&encode_args(
+                tcx,
+                args.no_bound_vars().unwrap(),
+                *def_id,
+                false,
+                dict,
+                options,
+            ));
+            compress(dict, DictKey::Ty(ty, TyQ::None), &mut s);
+            typeid.push_str(&s);
+        }
+
         ty::CoroutineClosure(def_id, args) => {
             // u<length><name>[I<element-type1..element-typeN>E], where <element-type> is <subst>,
             // as vendor extended type.
@@ -594,7 +611,7 @@ pub(crate) fn encode_ty<'tcx>(
 
         // FIXME(unsafe_binders): Implement this.
         ty::UnsafeBinder(_) => {
-            todo!()
+            unimplemented!()
         }
 
         // Trait types
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
index 4492cdf2d2f8a..9563780af9d89 100644
--- a/compiler/rustc_session/src/config.rs
+++ b/compiler/rustc_session/src/config.rs
@@ -1602,6 +1602,48 @@ pub struct BranchProtection {
     pub gcs: bool,
 }
 
+#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialOrd, PartialEq)]
+pub enum PointerAuthOption {
+    // See <compiler/rustc_session/src/options.rs> and Clang's command line reference:
+    // <https://clang.llvm.org/docs/ClangCommandLineReference.html#cmdoption-clang-fptrauth-auth-traps>
+    // for the origin and meaning of the enum values.
+    // tidy-alphabetical-start
+    Aarch64JumpTableHardening,
+    AuthTraps,
+    Calls,
+    ElfGot,
+    FunctionPointerTypeDiscrimination,
+    IndirectGotos,
+    InitFini,
+    InitFiniAddressDiscrimination,
+    Intrinsics,
+    ReturnAddresses,
+    TypeInfoVTPtrDisc,
+    VTPtrAddrDisc,
+    VTPtrTypeDisc,
+    // tidy-alphabetical-end
+}
+impl PointerAuthOption {
+    pub fn parse(s: &str) -> Option<Self> {
+        match s {
+            "aarch64-jump-table-hardening" => Some(Self::Aarch64JumpTableHardening),
+            "auth-traps" => Some(Self::AuthTraps),
+            "calls" => Some(Self::Calls),
+            "elf-got" => Some(Self::ElfGot),
+            "function-pointer-type-discrimination" => Some(Self::FunctionPointerTypeDiscrimination),
+            "indirect-gotos" => Some(Self::IndirectGotos),
+            "init-fini" => Some(Self::InitFini),
+            "init-fini-address-discrimination" => Some(Self::InitFiniAddressDiscrimination),
+            "intrinsics" => Some(Self::Intrinsics),
+            "return-addresses" => Some(Self::ReturnAddresses),
+            "typeinfo-vt-ptr-discrimination" => Some(Self::TypeInfoVTPtrDisc),
+            "vt-ptr-addr-discrimination" => Some(Self::VTPtrAddrDisc),
+            "vt-ptr-type-discrimination" => Some(Self::VTPtrTypeDisc),
+            _ => None,
+        }
+    }
+}
+
 pub fn build_configuration(sess: &Session, mut user_cfg: Cfg) -> Cfg {
     // First disallow some configuration given on the command line
     cfg::disallow_cfgs(sess, &user_cfg);
@@ -3098,8 +3140,8 @@ pub(crate) mod dep_tracking {
         CoverageOptions, CrateType, DebugInfo, DebugInfoCompression, ErrorOutputType, FmtDebug,
         FunctionReturn, InliningThreshold, InstrumentCoverage, InstrumentMcount, InstrumentXRay,
         LinkerPluginLto, LocationDetail, LtoCli, MirStripDebugInfo, NextSolverConfig, Offload,
-        OptLevel, OutFileName, OutputType, OutputTypes, PatchableFunctionEntry, Polonius,
-        ResolveDocLinks, SourceFileHashAlgorithm, SplitDwarfKind, SwitchWithOptPath,
+        OptLevel, OutFileName, OutputType, OutputTypes, PatchableFunctionEntry, PointerAuthOption,
+        Polonius, ResolveDocLinks, SourceFileHashAlgorithm, SplitDwarfKind, SwitchWithOptPath,
         SymbolManglingVersion, WasiExecModel,
     };
     use crate::lint;
@@ -3207,6 +3249,7 @@ pub(crate) mod dep_tracking {
         Align,
         CodegenRetagOptions,
         RustcVersion,
+        PointerAuthOption,
     );
 
     impl<T1, T2> DepTrackingHash for (T1, T2)
diff --git a/compiler/rustc_session/src/errors.rs b/compiler/rustc_session/src/errors.rs
index 31627887b662b..d1989609cefe2 100644
--- a/compiler/rustc_session/src/errors.rs
+++ b/compiler/rustc_session/src/errors.rs
@@ -381,6 +381,20 @@ pub(crate) struct StackProtectorNotSupportedForTarget<'a> {
     pub(crate) target_triple: &'a TargetTuple,
 }
 
+#[derive(Diagnostic)]
+#[diag("function pointer type discrimination is not supported")]
+pub(crate) struct PointerAuthenticationTypeDiscriminationNotSupportedForTarget<'a> {
+    pub(crate) target_triple: &'a TargetTuple,
+}
+
+#[derive(Diagnostic)]
+#[diag(
+    "`-Z pointer-authentication` is not supported for target {$target_triple} and will be ignored"
+)]
+pub(crate) struct PointerAuthenticationNotSupportedForTarget<'a> {
+    pub(crate) target_triple: &'a TargetTuple,
+}
+
 #[derive(Diagnostic)]
 #[diag(
     "`-Z small-data-threshold` is not supported for target {$target_triple} and will be ignored"
diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs
index 2f44b4c102486..7b7311b0fe3ce 100644
--- a/compiler/rustc_session/src/options.rs
+++ b/compiler/rustc_session/src/options.rs
@@ -771,6 +771,7 @@ mod desc {
     pub(crate) const parse_list: &str = "a space-separated list of strings";
     pub(crate) const parse_list_with_polarity: &str =
         "a comma-separated list of strings, with elements beginning with + or -";
+    pub(crate) const parse_pointer_authentication_list_with_polarity: &str = "a comma-separated list of options, each of the form `+<name>` or `-<name>`, where `<name>` is one of: `aarch64-jump-table-hardening`, `auth-traps`, `calls`, `elf-got`, `function-pointer-type-discrimination`, `indirect-gotos`, `init-fini`, `init-fini-address-discrimination`, `intrinsics`, `return-addresses`, `typeinfo-vt-ptr-discrimination`, `vt-ptr-addr-discrimination` or `vt-ptr-type-discrimination`";
     pub(crate) const parse_autodiff: &str = "a comma separated list of settings: `Enable`, `PrintSteps`, `PrintTA`, `PrintTAFn`, `PrintAA`, `PrintPerf`, `PrintModBefore`, `PrintModAfter`, `PrintModFinal`, `PrintPasses`, `NoPostopt`, `LooseTypes`, `Inline`, `NoTT`";
     pub(crate) const parse_offload: &str =
         "a comma separated list of settings: `Host=<Absolute-Path>`, `Device`, `Test`";
@@ -1036,6 +1037,37 @@ pub mod parse {
         }
     }
 
+    pub(crate) fn parse_pointer_authentication_list_with_polarity(
+        slot: &mut Vec<(PointerAuthOption, bool)>,
+        v: Option<&str>,
+    ) -> bool {
+        let Some(s) = v else {
+            return false;
+        };
+
+        let mut map = BTreeMap::<PointerAuthOption, bool>::new();
+
+        for item in s.split(',') {
+            let Some(name) = item.strip_prefix(&['+', '-'][..]) else {
+                return false;
+            };
+
+            let Some(opt) = PointerAuthOption::parse(name) else {
+                return false;
+            };
+
+            let enabled = item.starts_with('+');
+
+            // Last occurrence wins.
+            map.insert(opt, enabled);
+        }
+
+        slot.clear();
+        slot.extend(map);
+
+        true
+    }
+
     pub(crate) fn parse_fmt_debug(opt: &mut FmtDebug, v: Option<&str>) -> bool {
         *opt = match v {
             Some("full") => FmtDebug::Full,
@@ -2628,6 +2660,26 @@ options! {
         "whether to use the PLT when calling into shared libraries;
         only has effect for PIC code on systems with ELF binaries
         (default: PLT is disabled if full relro is enabled on x86_64)"),
+    pointer_authentication: Vec<(PointerAuthOption, bool)> = (
+        Vec::new(),
+        parse_pointer_authentication_list_with_polarity,
+        [TRACKED]
+        { TARGET_MODIFIER: PointerAuthentication },
+        "A comma-separated list of pointer authentication options, each prefixed with `+` (enable) or `-` (disable). Available options:
+        `aarch64-jump-table-hardening` - enable hardened lowering for jump-table dispatch
+        `auth-traps` - trap immediately on pointer authentication failure
+        `calls` - enable signing and authentication of all indirect calls
+        `elf-got` - enable authentication of pointers from GOT (ELF only)
+        `function-pointer-type-discrimination` - enable type discrimination on C function pointers
+        `indirect-gotos` - enable signing and authentication of indirect goto targets
+        `init-fini` - enable signing of function pointers in init/fini arrays
+        `init-fini-address-discrimination` - enable address discrimination in init/fini arrays
+        `intrinsics` - pointer authentication intrinsics
+        `return-addresses` - enable signing and authentication of return addresses
+        `typeinfo-vt-ptr-discrimination - incorporate type and address discrimination in authenticated vtable pointers for std::type_info
+        `vt-ptr-addr-discrimination - incorporate address discrimination in authenticated vtable pointers
+        `vt-ptr-type-discrimination - incorporate type discrimination in authenticated vtable pointers
+        Example: `-Zpointer-authentication=+calls,-init-fini`."),
     polonius: Polonius = (Polonius::default(), parse_polonius, [TRACKED],
         "enable polonius-based borrow-checker (default: no)"),
     pre_link_arg: (/* redirected to pre_link_args */) = ((), parse_string_push, [UNTRACKED],
@@ -2661,7 +2713,6 @@ options! {
         "use the given `.prof` file for sampled profile-guided optimization (also known as AutoFDO)"),
     profiler_runtime: String = (String::from("profiler_builtins"), parse_string, [TRACKED],
         "name of the profiler runtime crate to automatically inject (default: `profiler_builtins`)"),
-    ptrauth_elf_got: bool = (false, parse_bool, [TRACKED], "enable signing of ELF GOT entries"),
     query_dep_graph: bool = (false, parse_bool, [UNTRACKED],
         "enable queries of the dependency graph for regression testing (default: no)"),
     randomize_layout: bool = (false, parse_bool, [TRACKED],
diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs
index 986dababf770a..e35ff2e8cc76d 100644
--- a/compiler/rustc_session/src/session.rs
+++ b/compiler/rustc_session/src/session.rs
@@ -39,7 +39,7 @@ pub use crate::code_stats::{DataTypeKind, FieldInfo, FieldKind, SizeKind, Varian
 use crate::config::{
     self, Cfg, CheckCfg, CoverageLevel, CoverageOptions, CrateType, DebugInfo, ErrorOutputType,
     FunctionReturn, Input, InstrumentCoverage, InstrumentMcount, OptLevel, OutFileName, OutputType,
-    SwitchWithOptPath,
+    PointerAuthOption, SwitchWithOptPath,
 };
 use crate::filesearch::FileSearch;
 use crate::lint::LintId;
@@ -85,6 +85,245 @@ pub trait DynLintStore: Any + DynSync + DynSend {
     fn lint_groups_iter(&self) -> Box<dyn Iterator<Item = LintGroup> + '_>;
 }
 
+/// Hardware pointer-signing keys in ARM8.3.
+/// These values are the same as used in ptrauth.h.
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub enum PointerAuthARM8_3Key {
+    ASIA = 0,
+    ASIB = 1,
+    ASDA = 2,
+    ASDB = 3,
+}
+
+/// Forms of extra discrimination.
+pub enum PointerAuthDiscrimination {
+    /// No additional discrimination.
+    None,
+    /// Include a hash of the entity's type.
+    Type,
+    /// Include a hash of the entity's identity.
+    Decl,
+    /// Discriminate using a constant value.
+    Constant,
+}
+
+/// Types of address discrimination.
+pub enum PointerAuthAddressDiscriminator {
+    /// Enable/disable hardware address discrimination.
+    HardwareAddress(bool),
+    /// Use a synthetic value. For instance init/fini entries can not the address of the arrays,
+    /// they must use a synthetic value of `1`.
+    Synthetic(u64),
+}
+
+pub struct PointerAuthSchema {
+    pub is_address_discriminated: PointerAuthAddressDiscriminator,
+    pub discrimination_kind: PointerAuthDiscrimination,
+    pub key: PointerAuthARM8_3Key,
+    pub constant_discriminator: u16,
+}
+impl PointerAuthSchema {
+    pub fn function_pointers_default(target: &Target) -> Self {
+        assert!(target.cfg_abi == CfgAbi::Pauthtest);
+        return Self {
+            is_address_discriminated: PointerAuthAddressDiscriminator::HardwareAddress(false),
+            discrimination_kind: PointerAuthDiscrimination::None,
+            key: PointerAuthARM8_3Key::ASIA,
+            constant_discriminator: 0,
+        };
+    }
+    pub fn init_fini_default(target: &Target) -> Self {
+        assert!(target.cfg_abi == CfgAbi::Pauthtest);
+        return Self {
+            is_address_discriminated: PointerAuthAddressDiscriminator::Synthetic(1),
+            discrimination_kind: PointerAuthDiscrimination::None,
+            key: PointerAuthARM8_3Key::ASIA,
+            // ptrauth_string_discriminator("init_fini")
+            constant_discriminator: 0xd9d4,
+        };
+    }
+}
+
+pub struct PointerAuthConfig {
+    /// Should return addresses be authenticated?
+    pub return_addresses: bool,
+    /// Do authentication failures cause a trap?
+    pub auth_traps: bool,
+    /// Do indirect goto label addresses need to be authenticated?
+    pub indirect_gotos: bool,
+    /// Should ELF GOT entries be signed?
+    pub elf_got: bool,
+    /// Use hardened lowering for jump-table dispatch?
+    pub aarch64_jump_table_hardening: bool,
+    /// The ABI for C function pointers.
+    pub function_pointers: Option<PointerAuthSchema>,
+    /// The ABI for function addresses in .init_array and .fini_array
+    pub init_fini: Option<PointerAuthSchema>,
+    /// Use of pointer authentication intrinsics.
+    pub intrinsics: bool,
+    /// The following are used only for compatibility with C++ and control over generated abi
+    /// version. They do not control Rust code generation.
+    pub typeinfo_vt_ptr_discrimination: bool,
+    pub vt_ptr_addr_discrimination: bool,
+    pub vt_ptr_type_discrimination: bool,
+}
+impl PointerAuthConfig {
+    fn default(target: &Target) -> Self {
+        assert!(target.cfg_abi == CfgAbi::Pauthtest);
+        return Self {
+            return_addresses: true,
+            auth_traps: true,
+            indirect_gotos: true,
+            elf_got: false,
+            aarch64_jump_table_hardening: true,
+            function_pointers: Some(PointerAuthSchema::function_pointers_default(target)),
+            init_fini: Some(PointerAuthSchema::init_fini_default(target)),
+            intrinsics: true,
+            typeinfo_vt_ptr_discrimination: true,
+            vt_ptr_addr_discrimination: true,
+            vt_ptr_type_discrimination: true,
+        };
+    }
+    pub fn calculate_pauth_abi_version(&self, target: &Target) -> u32 {
+        assert!(target.cfg_abi == CfgAbi::Pauthtest);
+        // Bit positions of version flags for AARCH64_PAUTH_PLATFORM_LLVM_LINUX.
+        // NOTE: The enum values must stay in sync with clang, see:
+        // <llvm_root>/llvm/include/llvm/BinaryFormat/ELF.h
+        //
+        // We do not expect to use C++ virtual dispatch, but enable these flags
+        // for compatibility with C++ code. Intrinsics are also always enabled.
+        //
+        // Link to PAuth core info documentation:
+        // <https://github.com/ARM-software/abi-aa/blob/2025Q4/pauthabielf64/pauthabielf64.rst#core-information>
+        const INTRINSICS: u32 = 0;
+        const CALLS: u32 = 1;
+        const RETURNS: u32 = 2;
+        const AUTHTRAPS: u32 = 3;
+        const VT_PTR_ADDR_DISCR: u32 = 4;
+        const VT_PTR_TYPE_DISCR: u32 = 5;
+        const INIT_FINI: u32 = 6;
+        const INIT_FINI_ADDR_DISC: u32 = 7;
+        const GOT: u32 = 8;
+        const GOTOS: u32 = 9;
+        const TYPEINFO_VT_PTR_DISCR: u32 = 10;
+        // FIXME(jchlanda) We don't yet support function pointer type discrimination.
+        // const FPTR_TYPE_DISCR: u32 = 11;
+
+        let pauth_abi_version: u32 = (u32::from(self.intrinsics) << INTRINSICS)
+            | (u32::from(self.function_pointers.is_some()) << CALLS)
+            | (u32::from(self.return_addresses) << RETURNS)
+            | (u32::from(self.auth_traps) << AUTHTRAPS)
+            | (u32::from(self.vt_ptr_addr_discrimination) << VT_PTR_ADDR_DISCR)
+            | (u32::from(self.vt_ptr_type_discrimination) << VT_PTR_TYPE_DISCR)
+            | (u32::from(self.init_fini.is_some()) << INIT_FINI)
+            | (u32::from(self.init_fini.as_ref().is_some_and(|schema| {
+                matches!(
+                    schema.is_address_discriminated,
+                    PointerAuthAddressDiscriminator::HardwareAddress(true)
+                        | PointerAuthAddressDiscriminator::Synthetic(_)
+                )
+            })) << INIT_FINI_ADDR_DISC)
+            | (u32::from(self.elf_got) << GOT)
+            | (u32::from(self.indirect_gotos) << GOTOS)
+            | (u32::from(self.typeinfo_vt_ptr_discrimination) << TYPEINFO_VT_PTR_DISCR);
+
+        pauth_abi_version
+    }
+    pub fn from_raw(raw: &[(PointerAuthOption, bool)], target: &Target) -> Option<Self> {
+        if target.cfg_abi != CfgAbi::Pauthtest {
+            return None;
+        }
+
+        let mut cfg = Self::default(target);
+        if raw.is_empty() {
+            return Some(cfg);
+        }
+
+        for (opt, enabled) in raw {
+            match opt {
+                PointerAuthOption::Calls => {
+                    if *enabled {
+                        cfg.function_pointers.get_or_insert_with(|| {
+                            PointerAuthSchema::function_pointers_default(target)
+                        });
+                    } else {
+                        cfg.function_pointers = None;
+                    }
+                }
+                PointerAuthOption::FunctionPointerTypeDiscrimination => {
+                    if *enabled {
+                        let schema = cfg.function_pointers.get_or_insert_with(|| {
+                            PointerAuthSchema::function_pointers_default(target)
+                        });
+                        schema.discrimination_kind = PointerAuthDiscrimination::Type;
+                    } else if let Some(schema) = &mut cfg.function_pointers {
+                        schema.discrimination_kind = PointerAuthDiscrimination::None;
+                    }
+                }
+                PointerAuthOption::ReturnAddresses => cfg.return_addresses = *enabled,
+                PointerAuthOption::AuthTraps => cfg.auth_traps = *enabled,
+                PointerAuthOption::IndirectGotos => cfg.indirect_gotos = *enabled,
+                PointerAuthOption::ElfGot => cfg.elf_got = *enabled,
+                PointerAuthOption::Aarch64JumpTableHardening => {
+                    cfg.aarch64_jump_table_hardening = *enabled
+                }
+                PointerAuthOption::InitFini => {
+                    if *enabled {
+                        cfg.init_fini
+                            .get_or_insert_with(|| PointerAuthSchema::init_fini_default(target));
+                    } else {
+                        cfg.init_fini = None;
+                    }
+                }
+                PointerAuthOption::InitFiniAddressDiscrimination => {
+                    if *enabled {
+                        let schema = cfg
+                            .init_fini
+                            .get_or_insert_with(|| PointerAuthSchema::init_fini_default(target));
+                        schema.is_address_discriminated =
+                            PointerAuthAddressDiscriminator::HardwareAddress(true);
+                    } else if let Some(schema) = &mut cfg.init_fini {
+                        schema.is_address_discriminated =
+                            PointerAuthAddressDiscriminator::Synthetic(1);
+                    }
+                }
+
+                PointerAuthOption::Intrinsics => cfg.intrinsics = *enabled,
+                PointerAuthOption::TypeInfoVTPtrDisc => {
+                    cfg.typeinfo_vt_ptr_discrimination = *enabled
+                }
+                PointerAuthOption::VTPtrAddrDisc => cfg.vt_ptr_addr_discrimination = *enabled,
+                PointerAuthOption::VTPtrTypeDisc => cfg.vt_ptr_type_discrimination = *enabled,
+            }
+        }
+
+        Some(cfg)
+    }
+    pub fn fn_attrs(&self) -> Vec<&'static str> {
+        // FIXME(jchlanda) This is not an exhaustive list of all `ptrauth`-related attributes, but only
+        // those currently supported. The list is expected to grow as additional functionality is
+        // implemented, particularly for C++ interoperability.
+        let mut attrs = vec![];
+        if self.aarch64_jump_table_hardening {
+            attrs.push("aarch64-jump-table-hardening");
+        }
+        if self.auth_traps {
+            attrs.push("ptrauth-auth-traps");
+        }
+        if self.function_pointers.is_some() {
+            attrs.push("ptrauth-calls");
+        }
+        if self.indirect_gotos {
+            attrs.push("ptrauth-indirect-gotos");
+        }
+        if self.return_addresses {
+            attrs.push("ptrauth-returns");
+        }
+
+        attrs
+    }
+}
+
 /// Represents the data associated with a compilation
 /// session for a single crate.
 pub struct Session {
@@ -185,6 +424,9 @@ pub struct Session {
     /// Whether the test harness removed a user-written `#[rustc_main]` attribute
     /// while generating the synthetic test entry point.
     pub removed_rustc_main_attr: AtomicBool,
+
+    /// Config specifying targets' pointer authentication preference.
+    pub pointer_auth_config: Option<PointerAuthConfig>,
 }
 
 #[derive(Clone, Copy)]
@@ -945,6 +1187,18 @@ impl Session {
     pub fn sanitizers(&self) -> SanitizerSet {
         return self.opts.unstable_opts.sanitizer | self.target.options.default_sanitizers;
     }
+
+    pub fn pointer_authentication(&self) -> bool {
+        self.pointer_auth_config.is_some()
+    }
+
+    pub fn pointer_authentication_functions(&self) -> Option<&PointerAuthSchema> {
+        self.pointer_auth_config.as_ref().and_then(|cfg| cfg.function_pointers.as_ref())
+    }
+
+    pub fn pointer_authentication_init_fini(&self) -> Option<&PointerAuthSchema> {
+        self.pointer_auth_config.as_ref().and_then(|cfg| cfg.init_fini.as_ref())
+    }
 }
 
 // JUSTIFICATION: part of session construction
@@ -1104,6 +1358,9 @@ pub fn build_session(
 
     let timings = TimingSectionHandler::new(sopts.json_timings);
 
+    let pointer_auth_config: Option<PointerAuthConfig> =
+        PointerAuthConfig::from_raw(&sopts.unstable_opts.pointer_authentication, &target);
+
     let sess = Session {
         target,
         host,
@@ -1138,6 +1395,7 @@ pub fn build_session(
         mir_opt_bisect_eval_count: AtomicUsize::new(0),
         used_features: Lock::default(),
         removed_rustc_main_attr: AtomicBool::new(false),
+        pointer_auth_config,
     };
 
     validate_commandline_args_with_session_available(&sess);
@@ -1170,6 +1428,25 @@ fn validate_commandline_args_with_session_available(sess: &Session) {
         sess.dcx().emit_err(errors::LinkerPluginToWindowsNotSupported);
     }
 
+    if sess
+        .pointer_auth_config
+        .as_ref()
+        .and_then(|cfg| cfg.function_pointers.as_ref())
+        .is_some_and(|schema| matches!(schema.discrimination_kind, PointerAuthDiscrimination::Type))
+    {
+        sess.dcx().emit_err(errors::PointerAuthenticationTypeDiscriminationNotSupportedForTarget {
+            target_triple: &sess.opts.target_triple,
+        });
+    }
+
+    if sess.target.cfg_abi != CfgAbi::Pauthtest
+        && !sess.opts.unstable_opts.pointer_authentication.is_empty()
+    {
+        sess.dcx().emit_warn(errors::PointerAuthenticationNotSupportedForTarget {
+            target_triple: &sess.opts.target_triple,
+        });
+    }
+
     // Make sure that any given profiling data actually exists so LLVM can't
     // decide to silently skip PGO.
     if let Some(ref path) = sess.opts.cg.profile_use {
diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index 9ab27cd1a4918..1d3f0adf86829 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -1173,6 +1173,7 @@ symbols! {
         large_assignments,
         last,
         lasx,
+        late_bound_turbofishing,
         lateout,
         lazy_normalization_consts,
         lazy_type_alias,
@@ -1856,6 +1857,7 @@ symbols! {
         rustc_specialization_trait,
         rustc_std_internal_symbol,
         rustc_strict_coherence,
+        rustc_test_entrypoint_marker,
         rustc_test_marker,
         rustc_then_this_would_need,
         rustc_trivial_field_reads,
diff --git a/compiler/rustc_symbol_mangling/Cargo.toml b/compiler/rustc_symbol_mangling/Cargo.toml
index 1df8d641a4caa..bb79bb3ece781 100644
--- a/compiler/rustc_symbol_mangling/Cargo.toml
+++ b/compiler/rustc_symbol_mangling/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2024"
 [dependencies]
 # tidy-alphabetical-start
 punycode = "0.4.0"
-rustc-demangle = "0.1.27"
+rustc-demangle = "0.1.28"
 rustc_abi = { path = "../rustc_abi" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_hashes = { path = "../rustc_hashes" }
diff --git a/compiler/rustc_symbol_mangling/src/legacy.rs b/compiler/rustc_symbol_mangling/src/legacy.rs
index 5e021eb5667d4..4cce56cf90426 100644
--- a/compiler/rustc_symbol_mangling/src/legacy.rs
+++ b/compiler/rustc_symbol_mangling/src/legacy.rs
@@ -245,8 +245,7 @@ impl<'tcx> Printer<'tcx> for LegacySymbolMangler<'tcx> {
     fn print_type(&mut self, ty: Ty<'tcx>) -> Result<(), PrintError> {
         match *ty.kind() {
             // Print all nominal types as paths (unlike `pretty_print_type`).
-            ty::FnDef(def_id, args)
-            | ty::Alias(
+            ty::Alias(
                 _,
                 ty::AliasTy {
                     kind: ty::Projection { def_id } | ty::Opaque { def_id }, args, ..
@@ -256,6 +255,8 @@ impl<'tcx> Printer<'tcx> for LegacySymbolMangler<'tcx> {
             | ty::CoroutineClosure(def_id, args)
             | ty::Coroutine(def_id, args) => self.print_def_path(def_id, args),
 
+            ty::FnDef(def_id, args) => self.print_def_path(def_id, args.no_bound_vars().unwrap()),
+
             // The `pretty_print_type` formatting of array size depends on
             // -Zverbose-internals flag, so we cannot reuse it here.
             ty::Array(ty, size) => {
diff --git a/compiler/rustc_symbol_mangling/src/v0.rs b/compiler/rustc_symbol_mangling/src/v0.rs
index b26545fa2b4b0..b186aae5222da 100644
--- a/compiler/rustc_symbol_mangling/src/v0.rs
+++ b/compiler/rustc_symbol_mangling/src/v0.rs
@@ -545,13 +545,16 @@ impl<'tcx> Printer<'tcx> for V0SymbolMangler<'tcx> {
 
             // Mangle all nominal types as paths.
             ty::Adt(ty::AdtDef(Interned(&ty::AdtDefData { did: def_id, .. }, _)), args)
-            | ty::FnDef(def_id, args)
             | ty::Closure(def_id, args)
             | ty::CoroutineClosure(def_id, args)
             | ty::Coroutine(def_id, args) => {
                 self.print_def_path(def_id, args)?;
             }
 
+            ty::FnDef(def_id, args) => {
+                self.print_def_path(def_id, args.no_bound_vars().unwrap())?
+            }
+
             // We may still encounter projections here due to the printing
             // logic sometimes passing identity-substituted impl headers.
             ty::Alias(_, ty::AliasTy { kind: ty::Projection { def_id }, args, .. }) => {
@@ -594,7 +597,7 @@ impl<'tcx> Printer<'tcx> for V0SymbolMangler<'tcx> {
             }
 
             // FIXME(unsafe_binder):
-            ty::UnsafeBinder(..) => todo!(),
+            ty::UnsafeBinder(..) => unimplemented!(),
 
             ty::Dynamic(predicates, r) => {
                 self.push("D");
diff --git a/compiler/rustc_trait_selection/src/diagnostics.rs b/compiler/rustc_trait_selection/src/diagnostics.rs
index ba89b0987659e..bb2614992adf2 100644
--- a/compiler/rustc_trait_selection/src/diagnostics.rs
+++ b/compiler/rustc_trait_selection/src/diagnostics.rs
@@ -188,9 +188,7 @@ pub(crate) struct AnnotationRequired<'a> {
     #[subdiagnostic]
     pub bad_label: Option<InferenceBadError<'a>>,
     #[subdiagnostic]
-    pub infer_subdiags: Vec<SourceKindSubdiag<'a>>,
-    #[subdiagnostic]
-    pub multi_suggestions: Vec<SourceKindMultiSuggestion<'a>>,
+    pub subdiagnostic: Option<SourceKindSubdiag<'a>>,
 }
 
 // Copy of `AnnotationRequired` for E0283
@@ -210,9 +208,7 @@ pub(crate) struct AmbiguousImpl<'a> {
     #[subdiagnostic]
     pub bad_label: Option<InferenceBadError<'a>>,
     #[subdiagnostic]
-    pub infer_subdiags: Vec<SourceKindSubdiag<'a>>,
-    #[subdiagnostic]
-    pub multi_suggestions: Vec<SourceKindMultiSuggestion<'a>>,
+    pub subdiagnostic: Option<SourceKindSubdiag<'a>>,
 }
 
 // Copy of `AnnotationRequired` for E0284
@@ -232,9 +228,7 @@ pub(crate) struct AmbiguousReturn<'a> {
     #[subdiagnostic]
     pub bad_label: Option<InferenceBadError<'a>>,
     #[subdiagnostic]
-    pub infer_subdiags: Vec<SourceKindSubdiag<'a>>,
-    #[subdiagnostic]
-    pub multi_suggestions: Vec<SourceKindMultiSuggestion<'a>>,
+    pub subdiagnostic: Option<SourceKindSubdiag<'a>>,
 }
 
 // Used when a better one isn't available
@@ -294,7 +288,7 @@ pub(crate) enum SourceKindSubdiag<'a> {
         x_kind: &'static str,
         prefix_kind: UnderspecifiedArgKind,
         prefix: &'a str,
-        arg_name: String,
+        arg_name: &'a str,
     },
     #[label(
         "cannot infer {$is_type ->
@@ -308,7 +302,7 @@ pub(crate) enum SourceKindSubdiag<'a> {
             *[false] parameter {$param_name}
         }"
     )]
-    GenericLabel {
+    Generic {
         #[primary_span]
         span: Span,
         is_type: bool,
@@ -316,48 +310,9 @@ pub(crate) enum SourceKindSubdiag<'a> {
         parent_exists: bool,
         parent_prefix: String,
         parent_name: String,
+        #[subdiagnostic]
+        suggestion: Option<SpecifyGenericParamsSuggestion>,
     },
-    #[suggestion(
-        "consider specifying the generic {$arg_count ->
-            [one] argument
-            *[other] arguments
-        }",
-        style = "verbose",
-        code = "::<{args}>",
-        applicability = "has-placeholders"
-    )]
-    GenericSuggestion {
-        #[primary_span]
-        span: Span,
-        arg_count: usize,
-        args: String,
-    },
-    #[suggestion(
-        "consider specifying a concrete type for the type parameter `{$param}`",
-        style = "verbose",
-        code = "::</* Type */>",
-        applicability = "has-placeholders"
-    )]
-    GenericTypeSuggestion {
-        #[primary_span]
-        span: Span,
-        param: String,
-    },
-    #[suggestion(
-        "consider specifying a const for the const parameter `{$param}`",
-        style = "verbose",
-        code = "::</* CONST */>",
-        applicability = "has-placeholders"
-    )]
-    ConstGenericSuggestion {
-        #[primary_span]
-        span: Span,
-        param: String,
-    },
-}
-
-#[derive(Subdiagnostic)]
-pub(crate) enum SourceKindMultiSuggestion<'a> {
     #[multipart_suggestion(
         "try using a fully qualified path to specify the expected types",
         style = "verbose",
@@ -386,7 +341,7 @@ pub(crate) enum SourceKindMultiSuggestion<'a> {
     },
 }
 
-impl<'a> SourceKindMultiSuggestion<'a> {
+impl<'a> SourceKindSubdiag<'a> {
     pub(crate) fn new_fully_qualified(
         span: Span,
         def_path: String,
@@ -419,6 +374,50 @@ impl<'a> SourceKindMultiSuggestion<'a> {
     }
 }
 
+/// Suggestion to specify generic parameter(s) via `::<>`.
+#[derive(Subdiagnostic)]
+pub(crate) enum SpecifyGenericParamsSuggestion {
+    #[suggestion(
+        "consider specifying the generic {$arg_count ->
+            [one] argument
+            *[other] arguments
+        }",
+        style = "verbose",
+        code = "::<{args}>",
+        applicability = "has-placeholders"
+    )]
+    GenericSuggestion {
+        #[primary_span]
+        span: Span,
+        arg_count: usize,
+        args: String,
+    },
+    // FIXME: there is really no reason for `Generic{Type,Const}Suggestion` to be separate
+    // variants, all of these should be unified.
+    #[suggestion(
+        "consider specifying a concrete type for the type parameter `{$param}`",
+        style = "verbose",
+        code = "::</* Type */>",
+        applicability = "has-placeholders"
+    )]
+    GenericTypeSuggestion {
+        #[primary_span]
+        span: Span,
+        param: String,
+    },
+    #[suggestion(
+        "consider specifying a const for the const parameter `{$param}`",
+        style = "verbose",
+        code = "::</* CONST */>",
+        applicability = "has-placeholders"
+    )]
+    ConstGenericSuggestion {
+        #[primary_span]
+        span: Span,
+        param: String,
+    },
+}
+
 pub(crate) enum RegionOriginNote<'a> {
     Plain {
         span: Span,
diff --git a/compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs b/compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs
index 8d1d491e6f5f9..4e02944a6832f 100644
--- a/compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs
+++ b/compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs
@@ -1284,17 +1284,23 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
             }
 
             (ty::FnDef(did1, args1), ty::FnDef(did2, args2)) => {
+                let args1 = args1.no_bound_vars().unwrap();
+                let args2 = args2.no_bound_vars().unwrap();
+
                 let sig1 = self.tcx.fn_sig(*did1).instantiate(self.tcx, args1).skip_norm_wip();
                 let sig2 = self.tcx.fn_sig(*did2).instantiate(self.tcx, args2).skip_norm_wip();
                 self.cmp_fn_sig(sig1, Some((*did1, Some(args1))), sig2, Some((*did2, Some(args2))))
             }
 
             (ty::FnDef(did1, args1), ty::FnPtr(sig_tys2, hdr2)) => {
+                let args1 = args1.no_bound_vars().unwrap();
                 let sig1 = self.tcx.fn_sig(*did1).instantiate(self.tcx, args1).skip_norm_wip();
                 self.cmp_fn_sig(sig1, Some((*did1, Some(args1))), sig_tys2.with(*hdr2), None)
             }
 
             (ty::FnPtr(sig_tys1, hdr1), ty::FnDef(did2, args2)) => {
+                let args2 = args2.no_bound_vars().unwrap();
+
                 let sig2 = self.tcx.fn_sig(*did2).instantiate(self.tcx, args2).skip_norm_wip();
                 self.cmp_fn_sig(sig_tys1.with(*hdr1), None, sig2, Some((*did2, Some(args2))))
             }
diff --git a/compiler/rustc_trait_selection/src/error_reporting/infer/need_type_info.rs b/compiler/rustc_trait_selection/src/error_reporting/infer/need_type_info.rs
index 624aef89911f7..f9b484cc6cadd 100644
--- a/compiler/rustc_trait_selection/src/error_reporting/infer/need_type_info.rs
+++ b/compiler/rustc_trait_selection/src/error_reporting/infer/need_type_info.rs
@@ -24,8 +24,8 @@ use tracing::{debug, instrument, warn};
 
 use super::nice_region_error::placeholder_error::Highlighted;
 use crate::diagnostics::{
-    AmbiguousImpl, AmbiguousReturn, AnnotationRequired, InferenceBadError,
-    SourceKindMultiSuggestion, SourceKindSubdiag,
+    AmbiguousImpl, AmbiguousReturn, AnnotationRequired, InferenceBadError, SourceKindSubdiag,
+    SpecifyGenericParamsSuggestion,
 };
 use crate::error_reporting::TypeErrCtxt;
 use crate::infer::{InferCtxt, TyOrConstInferVar};
@@ -448,8 +448,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
         let source_kind = "other";
         let source_name = "";
         let failure_span = None;
-        let infer_subdiags = Vec::new();
-        let multi_suggestions = Vec::new();
+        let subdiagnostic = None;
         let bad_label = Some(arg_data.make_bad_error(span));
         match error_code {
             TypeAnnotationNeeded::E0282 => self.dcx().create_err(AnnotationRequired {
@@ -457,8 +456,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
                 source_kind,
                 source_name,
                 failure_span,
-                infer_subdiags,
-                multi_suggestions,
+                subdiagnostic,
                 bad_label,
             }),
             TypeAnnotationNeeded::E0283 => self.dcx().create_err(AmbiguousImpl {
@@ -466,8 +464,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
                 source_kind,
                 source_name,
                 failure_span,
-                infer_subdiags,
-                multi_suggestions,
+                subdiagnostic,
                 bad_label,
             }),
             TypeAnnotationNeeded::E0284 => self.dcx().create_err(AmbiguousReturn {
@@ -475,8 +472,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
                 source_kind,
                 source_name,
                 failure_span,
-                infer_subdiags,
-                multi_suggestions,
+                subdiagnostic,
                 bad_label,
             }),
         }
@@ -562,189 +558,23 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
             None
         };
 
-        let mut infer_subdiags = Vec::new();
-        let mut multi_suggestions = Vec::new();
-        match kind {
-            InferSourceKind::LetBinding { insert_span, pattern_name, ty, def_id } => {
-                infer_subdiags.push(SourceKindSubdiag::LetLike {
-                    span: insert_span,
-                    name: pattern_name.map(|name| name.to_string()).unwrap_or_else(String::new),
-                    x_kind: arg_data.where_x_is_kind(self.infcx, ty),
-                    prefix_kind: arg_data.kind.clone(),
-                    prefix: arg_data.kind.try_get_prefix().unwrap_or_default(),
-                    arg_name: arg_data.name,
-                    kind: if pattern_name.is_some() { "with_pattern" } else { "other" },
-                    type_name: ty_to_string(self, ty, def_id),
-                });
-            }
-            InferSourceKind::ClosureArg { insert_span, ty, .. } => {
-                infer_subdiags.push(SourceKindSubdiag::LetLike {
-                    span: insert_span,
-                    name: String::new(),
-                    x_kind: arg_data.where_x_is_kind(self.infcx, ty),
-                    prefix_kind: arg_data.kind.clone(),
-                    prefix: arg_data.kind.try_get_prefix().unwrap_or_default(),
-                    arg_name: arg_data.name,
-                    kind: "closure",
-                    type_name: ty_to_string(self, ty, None),
-                });
-            }
-            InferSourceKind::GenericArg {
-                insert_span,
-                argument_index,
-                generics_def_id,
-                def_id: _,
-                generic_args,
-                have_turbofish,
-                hir_id,
-            } => {
-                let generics = self.tcx.generics_of(generics_def_id);
-                let is_type = term.as_type().is_some();
-
-                let (parent_exists, parent_prefix, parent_name) =
-                    InferenceDiagnosticsParentData::for_parent_def_id(self.tcx, generics_def_id)
-                        .map_or((false, String::new(), String::new()), |parent| {
-                            (true, parent.prefix.to_string(), parent.name)
-                        });
-
-                let param = &generics.own_params[argument_index];
-                let param_name = param.name.to_string();
-
-                infer_subdiags.push(SourceKindSubdiag::GenericLabel {
-                    span,
-                    is_type,
-                    param_name: param_name.clone(),
-                    parent_exists,
-                    parent_prefix,
-                    parent_name,
-                });
-
-                let mut used_fallback = false;
-                let args = if self.tcx.get_diagnostic_item(sym::iterator_collect_fn)
-                    == Some(generics_def_id)
-                {
-                    if let hir::Node::Expr(expr) = self.tcx.parent_hir_node(hir_id)
-                        && let hir::ExprKind::Call(expr, _args) = expr.kind
-                        && let hir::ExprKind::Path(hir::QPath::Resolved(_, path)) = expr.kind
-                        && let Res::Def(DefKind::AssocFn, def_id) = path.res
-                        && let Some(try_trait) = self.tcx.lang_items().try_trait()
-                        && try_trait == self.tcx.parent(def_id)
-                        && let DefKind::Fn | DefKind::AssocFn =
-                            self.tcx.def_kind(body_def_id.to_def_id())
-                        && let ret = self
-                            .tcx
-                            .fn_sig(body_def_id.to_def_id())
-                            .instantiate_identity()
-                            .skip_binder()
-                            .output()
-                        && let ty::Adt(adt, _args) = ret.kind()
-                        && let Some(sym::Option | sym::Result) =
-                            self.tcx.get_diagnostic_name(adt.did())
-                    {
-                        if let Some(sym::Option) = self.tcx.get_diagnostic_name(adt.did()) {
-                            "Option<_>".to_string()
-                        } else {
-                            "Result<_, _>".to_string()
-                        }
-                    } else {
-                        "Vec<_>".to_string()
-                    }
-                } else {
-                    let mut p = fmt_printer(self, Namespace::TypeNS);
-                    p.comma_sep(generic_args.iter().copied().map(|arg| {
-                        if arg.is_suggestable(self.tcx, true) {
-                            used_fallback = true;
-                            return arg;
-                        }
-                        match arg.kind() {
-                            GenericArgKind::Lifetime(_) => bug!("unexpected lifetime"),
-                            GenericArgKind::Type(_) => self.next_ty_var(DUMMY_SP).into(),
-                            GenericArgKind::Const(_) => self.next_const_var(DUMMY_SP).into(),
-                        }
-                    }))
-                    .unwrap();
-                    p.into_buffer()
-                };
-
-                if !have_turbofish {
-                    if generic_args.len() == 1 && used_fallback {
-                        match param.kind {
-                            GenericParamDefKind::Type { .. } => {
-                                infer_subdiags.push(SourceKindSubdiag::GenericTypeSuggestion {
-                                    span: insert_span,
-                                    param: param_name,
-                                });
-                            }
-                            GenericParamDefKind::Const { .. } => {
-                                infer_subdiags.push(SourceKindSubdiag::ConstGenericSuggestion {
-                                    span: insert_span,
-                                    param: param_name,
-                                });
-                            }
-                            GenericParamDefKind::Lifetime => {
-                                bug!("unexpected lifetime")
-                            }
-                        }
-                    } else {
-                        infer_subdiags.push(SourceKindSubdiag::GenericSuggestion {
-                            span: insert_span,
-                            arg_count: generic_args.len(),
-                            args,
-                        });
-                    }
-                }
-            }
-            InferSourceKind::FullyQualifiedMethodCall { receiver, successor, args, def_id } => {
-                let placeholder = Some(self.next_ty_var(DUMMY_SP));
-                if let Some(args) = args.make_suggestable(self.infcx.tcx, true, placeholder) {
-                    let mut p = fmt_printer(self, Namespace::ValueNS);
-                    p.print_def_path(def_id, args).unwrap();
-                    let def_path = p.into_buffer();
-
-                    // We only care about whether we have to add `&` or `&mut ` for now.
-                    // This is the case if the last adjustment is a borrow and the
-                    // first adjustment was not a builtin deref.
-                    let adjustment = match typeck_results.expr_adjustments(receiver) {
-                        [
-                            Adjustment { kind: Adjust::Deref(DerefAdjustKind::Builtin), target: _ },
-                            ..,
-                            Adjustment { kind: Adjust::Borrow(AutoBorrow::Ref(..)), target: _ },
-                        ] => "",
-                        [
-                            ..,
-                            Adjustment { kind: Adjust::Borrow(AutoBorrow::Ref(mut_)), target: _ },
-                        ] => hir::Mutability::from(*mut_).ref_prefix_str(),
-                        _ => "",
-                    };
+        let subdiagnostic = kind.suggestion(
+            self.tcx,
+            self.infcx,
+            body_def_id,
+            term,
+            &arg_data,
+            typeck_results,
+            span,
+        );
 
-                    multi_suggestions.push(SourceKindMultiSuggestion::new_fully_qualified(
-                        receiver.span,
-                        def_path,
-                        adjustment,
-                        successor,
-                    ));
-                }
-            }
-            InferSourceKind::ClosureReturn { ty, data, should_wrap_expr } => {
-                let placeholder = Some(self.next_ty_var(DUMMY_SP));
-                if let Some(ty) = ty.make_suggestable(self.infcx.tcx, true, placeholder) {
-                    let ty_info = ty_to_string(self, ty, None);
-                    multi_suggestions.push(SourceKindMultiSuggestion::new_closure_return(
-                        ty_info,
-                        data,
-                        should_wrap_expr,
-                    ));
-                }
-            }
-        }
         let mut err = match error_code {
             TypeAnnotationNeeded::E0282 => self.dcx().create_err(AnnotationRequired {
                 span,
                 source_kind,
                 source_name: &name,
                 failure_span,
-                infer_subdiags,
-                multi_suggestions,
+                subdiagnostic,
                 bad_label: None,
             }),
             TypeAnnotationNeeded::E0283 => self.dcx().create_err(AmbiguousImpl {
@@ -752,8 +582,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
                 source_kind,
                 source_name: &name,
                 failure_span,
-                infer_subdiags,
-                multi_suggestions,
+                subdiagnostic,
                 bad_label: None,
             }),
             TypeAnnotationNeeded::E0284 => self.dcx().create_err(AmbiguousReturn {
@@ -761,8 +590,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
                 source_kind,
                 source_name: &name,
                 failure_span,
-                infer_subdiags,
-                multi_suggestions,
+                subdiagnostic,
                 bad_label: None,
             }),
         };
@@ -867,6 +695,188 @@ impl<'tcx> InferSourceKind<'tcx> {
             }
         }
     }
+
+    fn suggestion<'local>(
+        &self,
+        tcx: TyCtxt<'tcx>,
+        infcx: &InferCtxt<'tcx>,
+        body_def_id: LocalDefId,
+        term: Term<'tcx>,
+        arg_data: &'local InferenceDiagnosticsData,
+        typeck_results: &TypeckResults<'tcx>,
+        span: Span,
+    ) -> Option<SourceKindSubdiag<'local>>
+    where
+        'tcx: 'local,
+    {
+        let subdiag = match *self {
+            InferSourceKind::LetBinding { insert_span, pattern_name, ty, def_id } => {
+                SourceKindSubdiag::LetLike {
+                    span: insert_span,
+                    name: pattern_name.map(|name| name.to_string()).unwrap_or_else(String::new),
+                    x_kind: arg_data.where_x_is_kind(infcx, ty),
+                    prefix_kind: arg_data.kind.clone(),
+                    prefix: arg_data.kind.try_get_prefix().unwrap_or_default(),
+                    arg_name: &arg_data.name,
+                    kind: if pattern_name.is_some() { "with_pattern" } else { "other" },
+                    type_name: ty_to_string(infcx, ty, def_id),
+                }
+            }
+            InferSourceKind::ClosureArg { insert_span, ty, .. } => SourceKindSubdiag::LetLike {
+                span: insert_span,
+                name: String::new(),
+                x_kind: arg_data.where_x_is_kind(infcx, ty),
+                prefix_kind: arg_data.kind.clone(),
+                prefix: arg_data.kind.try_get_prefix().unwrap_or_default(),
+                arg_name: &arg_data.name,
+                kind: "closure",
+                type_name: ty_to_string(infcx, ty, None),
+            },
+            InferSourceKind::GenericArg {
+                insert_span,
+                argument_index,
+                generics_def_id,
+                def_id: _,
+                generic_args,
+                have_turbofish,
+                hir_id,
+            } => {
+                let generics = tcx.generics_of(generics_def_id);
+                let is_type = term.as_type().is_some();
+
+                let (parent_exists, parent_prefix, parent_name) =
+                    InferenceDiagnosticsParentData::for_parent_def_id(tcx, generics_def_id)
+                        .map_or((false, String::new(), String::new()), |parent| {
+                            (true, parent.prefix.to_string(), parent.name)
+                        });
+
+                let param = &generics.own_params[argument_index];
+                let param_name = param.name.to_string();
+
+                let mut used_fallback = false;
+                let args = if tcx.get_diagnostic_item(sym::iterator_collect_fn)
+                    == Some(generics_def_id)
+                {
+                    if let hir::Node::Expr(expr) = tcx.parent_hir_node(hir_id)
+                        && let hir::ExprKind::Call(expr, _args) = expr.kind
+                        && let hir::ExprKind::Path(hir::QPath::Resolved(_, path)) = expr.kind
+                        && let Res::Def(DefKind::AssocFn, def_id) = path.res
+                        && let Some(try_trait) = tcx.lang_items().try_trait()
+                        && try_trait == tcx.parent(def_id)
+                        && let DefKind::Fn | DefKind::AssocFn =
+                            tcx.def_kind(body_def_id.to_def_id())
+                        && let ret = tcx
+                            .fn_sig(body_def_id.to_def_id())
+                            .instantiate_identity()
+                            .skip_binder()
+                            .output()
+                        && let ty::Adt(adt, _args) = ret.kind()
+                        && let Some(sym::Option | sym::Result) = tcx.get_diagnostic_name(adt.did())
+                    {
+                        if let Some(sym::Option) = tcx.get_diagnostic_name(adt.did()) {
+                            "Option<_>".to_string()
+                        } else {
+                            "Result<_, _>".to_string()
+                        }
+                    } else {
+                        "Vec<_>".to_string()
+                    }
+                } else {
+                    let mut p = fmt_printer(infcx, Namespace::TypeNS);
+                    p.comma_sep(generic_args.iter().copied().map(|arg| {
+                        if arg.is_suggestable(tcx, true) {
+                            used_fallback = true;
+                            return arg;
+                        }
+                        match arg.kind() {
+                            GenericArgKind::Lifetime(_) => bug!("unexpected lifetime"),
+                            GenericArgKind::Type(_) => infcx.next_ty_var(DUMMY_SP).into(),
+                            GenericArgKind::Const(_) => infcx.next_const_var(DUMMY_SP).into(),
+                        }
+                    }))
+                    .unwrap();
+                    p.into_buffer()
+                };
+
+                let suggestion = if have_turbofish {
+                    None
+                } else if generic_args.len() == 1 && used_fallback {
+                    match param.kind {
+                        GenericParamDefKind::Type { .. } => {
+                            Some(SpecifyGenericParamsSuggestion::GenericTypeSuggestion {
+                                span: insert_span,
+                                param: param_name.clone(),
+                            })
+                        }
+                        GenericParamDefKind::Const { .. } => {
+                            Some(SpecifyGenericParamsSuggestion::ConstGenericSuggestion {
+                                span: insert_span,
+                                param: param_name.clone(),
+                            })
+                        }
+                        GenericParamDefKind::Lifetime => {
+                            bug!("unexpected lifetime")
+                        }
+                    }
+                } else {
+                    Some(SpecifyGenericParamsSuggestion::GenericSuggestion {
+                        span: insert_span,
+                        arg_count: generic_args.len(),
+                        args,
+                    })
+                };
+
+                SourceKindSubdiag::Generic {
+                    span,
+                    is_type,
+                    param_name,
+                    parent_exists,
+                    parent_prefix,
+                    parent_name,
+                    suggestion,
+                }
+            }
+            InferSourceKind::FullyQualifiedMethodCall { receiver, successor, args, def_id } => {
+                let placeholder = Some(infcx.next_ty_var(DUMMY_SP));
+                let args = args.make_suggestable(tcx, true, placeholder)?;
+
+                let mut p = fmt_printer(infcx, Namespace::ValueNS);
+                p.print_def_path(def_id, args).unwrap();
+                let def_path = p.into_buffer();
+
+                // We only care about whether we have to add `&` or `&mut ` for now.
+                // This is the case if the last adjustment is a borrow and the
+                // first adjustment was not a builtin deref.
+                let adjustment = match typeck_results.expr_adjustments(receiver) {
+                    [
+                        Adjustment { kind: Adjust::Deref(DerefAdjustKind::Builtin), target: _ },
+                        ..,
+                        Adjustment { kind: Adjust::Borrow(AutoBorrow::Ref(..)), target: _ },
+                    ] => "",
+                    [.., Adjustment { kind: Adjust::Borrow(AutoBorrow::Ref(mut_)), target: _ }] => {
+                        hir::Mutability::from(*mut_).ref_prefix_str()
+                    }
+                    _ => "",
+                };
+
+                SourceKindSubdiag::new_fully_qualified(
+                    receiver.span,
+                    def_path,
+                    adjustment,
+                    successor,
+                )
+            }
+            InferSourceKind::ClosureReturn { ty, data, should_wrap_expr } => {
+                let placeholder = Some(infcx.next_ty_var(DUMMY_SP));
+
+                let ty = ty.make_suggestable(tcx, true, placeholder)?;
+                let ty_info = ty_to_string(infcx, ty, None);
+                SourceKindSubdiag::new_closure_return(ty_info, data, should_wrap_expr)
+            }
+        };
+
+        Some(subdiag)
+    }
 }
 
 #[derive(Debug)]
diff --git a/compiler/rustc_trait_selection/src/error_reporting/infer/suggest.rs b/compiler/rustc_trait_selection/src/error_reporting/infer/suggest.rs
index 71f81bb633ba6..5bd9a9c52de7f 100644
--- a/compiler/rustc_trait_selection/src/error_reporting/infer/suggest.rs
+++ b/compiler/rustc_trait_selection/src/error_reporting/infer/suggest.rs
@@ -411,6 +411,8 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
         }
         match (expected_inner.kind(), found_inner.kind()) {
             (ty::FnPtr(sig_tys, hdr), ty::FnDef(did, args)) => {
+                let args = args.no_bound_vars().unwrap();
+
                 let sig = sig_tys.with(*hdr);
                 let expected_sig = self.normalize_fn_sig(Unnormalized::new_wip(sig));
                 let found_sig =
@@ -449,6 +451,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
                 diag.subdiagnostic(sugg);
             }
             (ty::FnDef(did1, args1), ty::FnDef(did2, args2)) => {
+                let args1 = args1.no_bound_vars().unwrap();
+                let args2 = args2.no_bound_vars().unwrap();
+
                 let expected_sig =
                     self.normalize_fn_sig(self.tcx.fn_sig(*did1).instantiate(self.tcx, args1));
                 let found_sig =
@@ -492,6 +497,8 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
                 diag.subdiagnostic(sug);
             }
             (ty::FnDef(did, args), ty::FnPtr(sig_tys, hdr)) => {
+                let args = args.no_bound_vars().unwrap();
+
                 let expected_sig =
                     self.normalize_fn_sig(self.tcx.fn_sig(*did).instantiate(self.tcx, args));
                 let found_sig = self.normalize_fn_sig(Unnormalized::new_wip(sig_tys.with(*hdr)));
diff --git a/compiler/rustc_trait_selection/src/error_reporting/traits/fulfillment_errors.rs b/compiler/rustc_trait_selection/src/error_reporting/traits/fulfillment_errors.rs
index b38c933151eb2..d4e529b036bbe 100644
--- a/compiler/rustc_trait_selection/src/error_reporting/traits/fulfillment_errors.rs
+++ b/compiler/rustc_trait_selection/src/error_reporting/traits/fulfillment_errors.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 use core::ops::ControlFlow;
 use std::borrow::Cow;
 use std::collections::hash_set;
diff --git a/compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs b/compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs
index db0cf8cb09013..cc2d722ded8d3 100644
--- a/compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs
+++ b/compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 
 use std::borrow::Cow;
 use std::path::PathBuf;
diff --git a/compiler/rustc_trait_selection/src/traits/effects.rs b/compiler/rustc_trait_selection/src/traits/effects.rs
index 449fdbaca9abc..fb44b3b9a9988 100644
--- a/compiler/rustc_trait_selection/src/traits/effects.rs
+++ b/compiler/rustc_trait_selection/src/traits/effects.rs
@@ -464,7 +464,7 @@ fn evaluate_host_effect_for_destruct_goal<'tcx>(
                 })
                 .collect();
             match adt_def.destructor(tcx).map(|dtor| tcx.constness(dtor.did)) {
-                Some(hir::Constness::Const { always: true }) => todo!("FIXME(comptime)"),
+                Some(hir::Constness::Const { always: true }) => unimplemented!("FIXME(comptime)"),
                 // `Drop` impl exists, but it's not const. Type cannot be `[const] Destruct`.
                 Some(hir::Constness::NotConst) => return Err(EvaluationFailure::NoSolution),
                 // `Drop` impl exists, and it's const. Require `Ty: [const] Drop` to hold.
@@ -558,7 +558,7 @@ fn evaluate_host_effect_for_fn_goal<'tcx>(
         // but they don't really need to right now.
         ty::CoroutineClosure(_, _) => return Err(EvaluationFailure::NoSolution),
 
-        ty::Closure(def, args) => (def, args),
+        ty::Closure(def, args) => (def, ty::Binder::dummy(args)),
 
         // Everything else needs explicit impls or cannot have an impl
         _ => return Err(EvaluationFailure::NoSolution),
@@ -569,7 +569,7 @@ fn evaluate_host_effect_for_fn_goal<'tcx>(
         hir::Constness::Const { always: true } => Err(EvaluationFailure::NoSolution),
         hir::Constness::Const { always: false } => Ok(tcx
             .const_conditions(def)
-            .instantiate(tcx, args)
+            .instantiate(tcx, args.no_bound_vars().unwrap())
             .into_iter()
             .map(|(c, span)| {
                 let code = ObligationCauseCode::WhereClause(def, span);
@@ -601,7 +601,7 @@ fn evaluate_host_effect_from_selection_candidate<'tcx>(
                     match tcx.impl_trait_header(impl_.impl_def_id).constness {
                         rustc_hir::Constness::Const { always } => {
                             if always {
-                                todo!()
+                                unimplemented!()
                             }
                         }
                         rustc_hir::Constness::NotConst => {
diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs
index c77d547cb8717..6c6ab430126f8 100644
--- a/compiler/rustc_trait_selection/src/traits/project.rs
+++ b/compiler/rustc_trait_selection/src/traits/project.rs
@@ -1084,7 +1084,7 @@ fn assemble_candidates_from_impls<'cx, 'tcx>(
                         // Integers and floats always have `u8` as their discriminant.
                         | ty::Infer(ty::InferTy::IntVar(_) | ty::InferTy::FloatVar(..)) => true,
 
-                        ty::UnsafeBinder(_) => todo!("FIXME(unsafe_binder)"),
+                        ty::UnsafeBinder(_) => unimplemented!("FIXME(unsafe_binder)"),
 
                         // type parameters, opaques, and unnormalized projections don't have
                         // a known discriminant and may need to be normalized further or rely
@@ -1169,7 +1169,7 @@ fn assemble_candidates_from_impls<'cx, 'tcx>(
                                 true
                             }
 
-                            ty::UnsafeBinder(_) => todo!("FIXME(unsafe_binder)"),
+                            ty::UnsafeBinder(_) => unimplemented!("FIXME(unsafe_binder)"),
 
                             // FIXME(compiler-errors): are Bound and Placeholder types ever known sized?
                             ty::Param(_)
diff --git a/compiler/rustc_trait_selection/src/traits/wf.rs b/compiler/rustc_trait_selection/src/traits/wf.rs
index 8ecea8279aac1..b1d19d0cafbda 100644
--- a/compiler/rustc_trait_selection/src/traits/wf.rs
+++ b/compiler/rustc_trait_selection/src/traits/wf.rs
@@ -824,6 +824,7 @@ impl<'a, 'tcx> TypeVisitor<TyCtxt<'tcx>> for WfPredicates<'a, 'tcx> {
             }
 
             ty::FnDef(did, args) => {
+                let args = args.no_bound_vars().unwrap();
                 // HACK: Check the return type of function definitions for
                 // well-formedness to mostly fix #84533. This is still not
                 // perfect and there may be ways to abuse the fact that we
diff --git a/compiler/rustc_ty_utils/src/abi.rs b/compiler/rustc_ty_utils/src/abi.rs
index 8873fb13efe03..9c067d917414d 100644
--- a/compiler/rustc_ty_utils/src/abi.rs
+++ b/compiler/rustc_ty_utils/src/abi.rs
@@ -46,7 +46,7 @@ fn fn_sig_for_fn_abi<'tcx>(
     match *ty.kind() {
         ty::FnDef(def_id, args) => {
             let mut sig = tcx.instantiate_bound_regions_with_erased(
-                tcx.fn_sig(def_id).instantiate(tcx, args).skip_norm_wip(),
+                tcx.fn_sig(def_id).instantiate(tcx, args.no_bound_vars().unwrap()).skip_norm_wip(),
             );
 
             // Modify `fn(self, ...)` to `fn(self: *mut Self, ...)`.
diff --git a/compiler/rustc_ty_utils/src/assoc.rs b/compiler/rustc_ty_utils/src/assoc.rs
index 268386692dc3f..de94087498c75 100644
--- a/compiler/rustc_ty_utils/src/assoc.rs
+++ b/compiler/rustc_ty_utils/src/assoc.rs
@@ -343,7 +343,7 @@ fn associated_type_for_impl_trait_in_impl(
         let mut own_params = trait_assoc_generics.own_params.clone();
 
         let parent_generics = tcx.generics_of(impl_local_def_id.to_def_id());
-        let parent_count = parent_generics.parent_count + parent_generics.own_params.len();
+        let parent_count = parent_generics.count();
 
         for param in &mut own_params {
             param.index = param.index + parent_count as u32 - trait_assoc_parent_count as u32;
diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs
index 5c7eeb3e2591e..cd35423c5ef14 100644
--- a/compiler/rustc_ty_utils/src/consts.rs
+++ b/compiler/rustc_ty_utils/src/consts.rs
@@ -54,7 +54,7 @@ fn recurse_build<'tcx>(
         &ExprKind::PlaceUnwrapUnsafeBinder { .. }
         | &ExprKind::ValueUnwrapUnsafeBinder { .. }
         | &ExprKind::WrapUnsafeBinder { .. } => {
-            todo!("FIXME(unsafe_binders)")
+            unimplemented!("FIXME(unsafe_binders)")
         }
         &ExprKind::Literal { lit, neg } => {
             let sp = node.span;
@@ -210,7 +210,7 @@ fn recurse_build<'tcx>(
             error(GenericConstantTooComplexSub::OperationNotSupported(node.span))?
         }
         ExprKind::Reborrow { .. } => {
-            todo!();
+            unimplemented!();
         }
     })
 }
@@ -310,7 +310,7 @@ impl<'a, 'tcx> IsThirPolymorphic<'a, 'tcx> {
             | thir::ExprKind::ThreadLocalRef(_)
             | thir::ExprKind::Yield { .. } => false,
             thir::ExprKind::Reborrow { .. } => {
-                todo!();
+                unimplemented!();
             }
         }
     }
diff --git a/compiler/rustc_type_ir/src/binder.rs b/compiler/rustc_type_ir/src/binder.rs
index 6f41a608763e3..4266429002675 100644
--- a/compiler/rustc_type_ir/src/binder.rs
+++ b/compiler/rustc_type_ir/src/binder.rs
@@ -74,6 +74,32 @@ impl_binder_encode_decode! {
     ty::HostEffectPredicate<I>,
 }
 
+#[cfg(feature = "nightly")]
+impl<T: GenericArgs<I>, I: Interner<GenericArgs = T>, E: rustc_serialize::Encoder>
+    rustc_serialize::Encodable<E> for ty::Binder<I, T>
+where
+    T: rustc_serialize::Encodable<E>,
+    I::BoundVarKinds: rustc_serialize::Encodable<E>,
+{
+    fn encode(&self, e: &mut E) {
+        self.bound_vars().encode(e);
+        self.as_ref().skip_binder().encode(e);
+    }
+}
+
+#[cfg(feature = "nightly")]
+impl<T: GenericArgs<I>, I: Interner<GenericArgs = T>, D: rustc_serialize::Decoder>
+    rustc_serialize::Decodable<D> for ty::Binder<I, T>
+where
+    T: TypeVisitable<I> + rustc_serialize::Decodable<D>,
+    I::BoundVarKinds: rustc_serialize::Decodable<D>,
+{
+    fn decode(decoder: &mut D) -> Self {
+        let bound_vars = rustc_serialize::Decodable::decode(decoder);
+        ty::Binder::bind_with_vars(rustc_serialize::Decodable::decode(decoder), bound_vars)
+    }
+}
+
 impl<I: Interner, T> Binder<I, T>
 where
     T: TypeVisitable<I>,
diff --git a/compiler/rustc_type_ir/src/fast_reject.rs b/compiler/rustc_type_ir/src/fast_reject.rs
index c0329b4f6226d..9b50657b6b8b1 100644
--- a/compiler/rustc_type_ir/src/fast_reject.rs
+++ b/compiler/rustc_type_ir/src/fast_reject.rs
@@ -425,7 +425,12 @@ impl<I: Interner, const INSTANTIATE_LHS_WITH_INFER: bool, const INSTANTIATE_RHS_
 
             ty::FnDef(lhs_def_id, lhs_args) => match rhs.kind() {
                 ty::FnDef(rhs_def_id, rhs_args) => {
-                    lhs_def_id == rhs_def_id && self.args_may_unify_inner(lhs_args, rhs_args, depth)
+                    lhs_def_id == rhs_def_id
+                        && self.args_may_unify_inner(
+                            lhs_args.no_bound_vars().unwrap(),
+                            rhs_args.no_bound_vars().unwrap(),
+                            depth,
+                        )
                 }
                 _ => false,
             },
diff --git a/compiler/rustc_type_ir/src/flags.rs b/compiler/rustc_type_ir/src/flags.rs
index 214a83a9b491b..8c08691e4d1fe 100644
--- a/compiler/rustc_type_ir/src/flags.rs
+++ b/compiler/rustc_type_ir/src/flags.rs
@@ -360,7 +360,7 @@ impl<I: Interner> FlagComputation<I> {
             }
 
             ty::FnDef(_, args) => {
-                self.add_args(args.as_slice());
+                self.add_binder_args(args);
             }
 
             ty::FnPtr(sig_tys, _) => self.bound_computation(sig_tys, |computation, sig_tys| {
@@ -538,6 +538,18 @@ impl<I: Interner> FlagComputation<I> {
         }
     }
 
+    fn add_binder_args(&mut self, args: ty::Binder<I, I::GenericArgs>) {
+        self.bound_computation(args, |this, args| {
+            for arg in args.iter() {
+                match arg.kind() {
+                    ty::GenericArgKind::Type(ty) => this.add_ty(ty),
+                    ty::GenericArgKind::Lifetime(r) => this.add_region(r),
+                    ty::GenericArgKind::Const(ct) => this.add_const(ct),
+                }
+            }
+        });
+    }
+
     fn add_is_rigid(&mut self, is_rigid: ty::IsRigid) {
         match is_rigid {
             ty::IsRigid::Yes => self.add_flags(TypeFlags::HAS_RIGID_ALIAS),
diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs
index 6dcb5b5bceaa4..7e9e53e0a6190 100644
--- a/compiler/rustc_type_ir/src/inherent.rs
+++ b/compiler/rustc_type_ir/src/inherent.rs
@@ -122,7 +122,7 @@ pub trait Ty<I: Interner<Ty = Self>>:
         It: Iterator<Item = T>,
         T: CollectAndApply<Self, Self>;
 
-    fn new_fn_def(interner: I, def_id: I::FunctionId, args: I::GenericArgs) -> Self;
+    fn new_fn_def(interner: I, def_id: I::FunctionId, args: ty::Binder<I, I::GenericArgs>) -> Self;
 
     fn new_fn_ptr(interner: I, sig: ty::Binder<I, ty::FnSig<I>>) -> Self;
 
diff --git a/compiler/rustc_type_ir/src/outlives.rs b/compiler/rustc_type_ir/src/outlives.rs
index e8c32d0cc1f6f..876aef9d7f705 100644
--- a/compiler/rustc_type_ir/src/outlives.rs
+++ b/compiler/rustc_type_ir/src/outlives.rs
@@ -82,6 +82,7 @@ impl<I: Interner> TypeVisitor<I> for OutlivesCollector<'_, I> {
         // projection).
         match ty.kind() {
             ty::FnDef(_, args) => {
+                let args = args.no_bound_vars().unwrap();
                 // HACK(eddyb) ignore lifetimes found shallowly in `args`.
                 // This is inconsistent with `ty::Adt` (including all args)
                 // and with `ty::Closure` (ignoring all args other than
diff --git a/compiler/rustc_type_ir/src/relate.rs b/compiler/rustc_type_ir/src/relate.rs
index 1922cbd954cf8..b0a30773731eb 100644
--- a/compiler/rustc_type_ir/src/relate.rs
+++ b/compiler/rustc_type_ir/src/relate.rs
@@ -512,11 +512,14 @@ pub fn structurally_relate_tys<I: Interner, R: TypeRelation<I>>(
         }
 
         (ty::FnDef(a_def_id, a_args), ty::FnDef(b_def_id, b_args)) if a_def_id == b_def_id => {
-            if a_args.is_empty() {
+            if a_args.skip_binder().is_empty() {
                 Ok(a)
             } else {
+                let a_args = a_args.no_bound_vars().unwrap();
+                let b_args = b_args.no_bound_vars().unwrap();
                 relation.relate_ty_args(a, b, a_def_id.into(), a_args, b_args, |args| {
-                    Ty::new_fn_def(cx, a_def_id, args)
+                    // FIXME(156581): actually instantiate the binder correctly (turbofishing/fndef changes)
+                    Ty::new_fn_def(cx, a_def_id, ty::Binder::dummy(args))
                 })
             }
         }
diff --git a/compiler/rustc_type_ir/src/ty_kind.rs b/compiler/rustc_type_ir/src/ty_kind.rs
index 244c81c54af16..68eebb1122928 100644
--- a/compiler/rustc_type_ir/src/ty_kind.rs
+++ b/compiler/rustc_type_ir/src/ty_kind.rs
@@ -212,7 +212,7 @@ pub enum TyKind<I: Interner> {
     /// fn foo() -> i32 { 1 }
     /// let bar = foo; // bar: fn() -> i32 {foo}
     /// ```
-    FnDef(I::FunctionId, I::GenericArgs),
+    FnDef(I::FunctionId, ty::Binder<I, I::GenericArgs>),
 
     /// A pointer to a function.
     ///
@@ -354,9 +354,10 @@ impl<I: Interner> TyKind<I> {
     pub fn fn_sig(self, interner: I) -> ty::Binder<I, ty::FnSig<I>> {
         match self {
             ty::FnPtr(sig_tys, hdr) => sig_tys.with(hdr),
-            ty::FnDef(def_id, args) => {
-                interner.fn_sig(def_id).instantiate(interner, args).skip_norm_wip()
-            }
+            ty::FnDef(def_id, args) => interner
+                .fn_sig(def_id)
+                .instantiate(interner, args.no_bound_vars().unwrap())
+                .skip_norm_wip(),
             ty::Error(_) => {
                 // ignore errors (#54954)
                 ty::Binder::dummy(ty::FnSig::dummy())
diff --git a/compiler/rustc_type_ir/src/walk.rs b/compiler/rustc_type_ir/src/walk.rs
index d2442358b13cb..11c81c47b4cf5 100644
--- a/compiler/rustc_type_ir/src/walk.rs
+++ b/compiler/rustc_type_ir/src/walk.rs
@@ -135,10 +135,12 @@ fn push_inner<I: Interner>(stack: &mut TypeWalkerStack<I>, parent: I::GenericArg
             | ty::Closure(_, args)
             | ty::CoroutineClosure(_, args)
             | ty::Coroutine(_, args)
-            | ty::CoroutineWitness(_, args)
-            | ty::FnDef(_, args) => {
+            | ty::CoroutineWitness(_, args) => {
                 stack.extend(args.iter().rev());
             }
+            ty::FnDef(_, args) => {
+                stack.extend(args.no_bound_vars().unwrap().iter().rev());
+            }
             ty::Tuple(ts) => stack.extend(ts.iter().rev().map(|ty| ty.into())),
             ty::FnPtr(sig_tys, _hdr) => {
                 stack.extend(
diff --git a/library/Cargo.lock b/library/Cargo.lock
index c30ed6dc30c55..325cba5d60fdb 100644
--- a/library/Cargo.lock
+++ b/library/Cargo.lock
@@ -274,9 +274,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-demangle"
-version = "0.1.27"
+version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b50b8869d9fc858ce7266cce0194bd74df58b9d0e3f6df3a9fc8eb470d95c09d"
+checksum = "b74b56ffa8bb2830709a538c2cbcae9aa062db0d2a42563bfb09bdaae44020eb"
 dependencies = [
  "rustc-std-workspace-core",
 ]
diff --git a/library/coretests/tests/unicode/test_data.rs b/library/coretests/tests/unicode/test_data.rs
index 088eb08043fa4..02576ed9f5876 100644
--- a/library/coretests/tests/unicode/test_data.rs
+++ b/library/coretests/tests/unicode/test_data.rs
@@ -1,5 +1,5 @@
 //! This file is generated by `./x run src/tools/unicode-table-generator`; do not edit manually!
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 
 use std::ops::RangeInclusive;
 
diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml
index 4c433d4970cda..7c1cb683bff94 100644
--- a/library/std/Cargo.toml
+++ b/library/std/Cargo.toml
@@ -26,7 +26,7 @@ hashbrown = { version = "0.17.1", default-features = false, features = [
 std_detect = { path = "../std_detect", public = true }
 
 # Dependencies of the `backtrace` crate
-rustc-demangle = { version = "0.1.27", features = ['rustc-dep-of-std'] }
+rustc-demangle = { version = "0.1.28", features = ['rustc-dep-of-std'] }
 
 [target.'cfg(not(all(windows, target_env = "msvc", not(target_vendor = "uwp"))))'.dependencies]
 miniz_oxide = { version = "0.8.0", optional = true, default-features = false }
diff --git a/library/std/src/macros.rs b/library/std/src/macros.rs
index 8bcf870e9aeb4..829945d08e2a9 100644
--- a/library/std/src/macros.rs
+++ b/library/std/src/macros.rs
@@ -3,7 +3,7 @@
 //! This module contains a set of macros which are exported from the standard
 //! library. Each macro is available for use when linking against the standard
 //! library.
-// ignore-tidy-dbg
+// ignore-tidy-file-dbg
 
 #[cfg(test)]
 mod tests;
diff --git a/library/std/src/macros/tests.rs b/library/std/src/macros/tests.rs
index 1ad4cf8c4c039..c2ead4655d314 100644
--- a/library/std/src/macros/tests.rs
+++ b/library/std/src/macros/tests.rs
@@ -1,5 +1,3 @@
-// ignore-tidy-dbg
-
 use core::fmt::Debug;
 
 /// Test for <https://github.com/rust-lang/rust/issues/153850>:
diff --git a/library/std/src/sys/net/connection/uefi/mod.rs b/library/std/src/sys/net/connection/uefi/mod.rs
index 107c6f6fde7d7..e839b8728de8e 100644
--- a/library/std/src/sys/net/connection/uefi/mod.rs
+++ b/library/std/src/sys/net/connection/uefi/mod.rs
@@ -147,7 +147,8 @@ impl TcpStream {
 
 impl fmt::Debug for TcpStream {
     fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        todo!()
+        // FIXME(implement this)
+        unimplemented!()
     }
 }
 
@@ -206,7 +207,8 @@ impl TcpListener {
 
 impl fmt::Debug for TcpListener {
     fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        todo!()
+        // FIXME(implement this)
+        unimplemented!()
     }
 }
 
diff --git a/library/std/src/sys/pal/windows/c/windows_sys.rs b/library/std/src/sys/pal/windows/c/windows_sys.rs
index 2348f890d8a1d..411df70967cd5 100644
--- a/library/std/src/sys/pal/windows/c/windows_sys.rs
+++ b/library/std/src/sys/pal/windows/c/windows_sys.rs
@@ -3672,4 +3672,4 @@ pub struct WSADATA {
 }
 #[cfg(target_arch = "arm")]
 pub enum CONTEXT {}
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
diff --git a/library/stdarch/Cargo.lock b/library/stdarch/Cargo.lock
index cf6ce0d38e40c..58901b3c1dd26 100644
--- a/library/stdarch/Cargo.lock
+++ b/library/stdarch/Cargo.lock
@@ -678,9 +678,9 @@ checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
 
 [[package]]
 name = "rustc-demangle"
-version = "0.1.27"
+version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b50b8869d9fc858ce7266cce0194bd74df58b9d0e3f6df3a9fc8eb470d95c09d"
+checksum = "b74b56ffa8bb2830709a538c2cbcae9aa062db0d2a42563bfb09bdaae44020eb"
 
 [[package]]
 name = "rustix"
diff --git a/library/stdarch/crates/stdarch-test/Cargo.toml b/library/stdarch/crates/stdarch-test/Cargo.toml
index eddd3b7f78936..2f3d294e12975 100644
--- a/library/stdarch/crates/stdarch-test/Cargo.toml
+++ b/library/stdarch/crates/stdarch-test/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2024"
 [dependencies]
 assert-instr-macro = { path = "../assert-instr-macro" }
 simd-test-macro = { path = "../simd-test-macro" }
-rustc-demangle = "0.1.8"
+rustc-demangle = "0.1.28"
 
 [target.'cfg(windows)'.dependencies]
 cc = "1.0"
diff --git a/src/bootstrap/configure.py b/src/bootstrap/configure.py
index fda8f004eff42..a707a22af278d 100755
--- a/src/bootstrap/configure.py
+++ b/src/bootstrap/configure.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-# ignore-tidy-linelength
+# ignore-tidy-file-linelength
 
 from __future__ import absolute_import, division, print_function
 import shlex
diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs
index e363c292d9758..6b232cc039492 100644
--- a/src/bootstrap/src/core/build_steps/test.rs
+++ b/src/bootstrap/src/core/build_steps/test.rs
@@ -4,7 +4,7 @@
 //! However, this contains ~all test parts we expect people to be able to build and run locally.
 
 // (This file should be split up, but having tidy block all changes is not helpful.)
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 
 use std::collections::HashSet;
 use std::env::split_paths;
diff --git a/src/bootstrap/src/core/builder/tests.rs b/src/bootstrap/src/core/builder/tests.rs
index 62ba7d79b13df..c8730dd8fa956 100644
--- a/src/bootstrap/src/core/builder/tests.rs
+++ b/src/bootstrap/src/core/builder/tests.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 use std::env::VarError;
 use std::{panic, thread};
 
diff --git a/src/ci/cpu-usage-over-time.py b/src/ci/cpu-usage-over-time.py
index 19a39f349532c..a006e117f9ffa 100755
--- a/src/ci/cpu-usage-over-time.py
+++ b/src/ci/cpu-usage-over-time.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# ignore-tidy-linelength
+# ignore-tidy-file-linelength
 
 # This is a small script that we use on CI to collect CPU usage statistics of
 # our builders. By seeing graphs of CPU usage over time we hope to correlate
diff --git a/src/ci/docker/host-x86_64/dist-x86_64-netbsd/build-netbsd-toolchain.sh b/src/ci/docker/host-x86_64/dist-x86_64-netbsd/build-netbsd-toolchain.sh
index ad21836253b9e..c5e9054126e78 100755
--- a/src/ci/docker/host-x86_64/dist-x86_64-netbsd/build-netbsd-toolchain.sh
+++ b/src/ci/docker/host-x86_64/dist-x86_64-netbsd/build-netbsd-toolchain.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# ignore-tidy-linelength
+# ignore-tidy-file-linelength
 
 set -eux
 
diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-miri/check-miri.sh b/src/ci/docker/host-x86_64/x86_64-gnu-miri/check-miri.sh
index 0ccd364be21bb..3bbcc32c7f11b 100755
--- a/src/ci/docker/host-x86_64/x86_64-gnu-miri/check-miri.sh
+++ b/src/ci/docker/host-x86_64/x86_64-gnu-miri/check-miri.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# ignore-tidy-linelength
+# ignore-tidy-file-linelength
 
 set -eu
 set -x # so one can see where we are in the script
diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh b/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh
index 14cf63b94d481..19f072c6c2d03 100755
--- a/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh
+++ b/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# ignore-tidy-linelength
+# ignore-tidy-file-linelength
 
 set -eu
 set -x # so one can see where we are in the script
diff --git a/src/ci/docker/scripts/crosstool-ng.sh b/src/ci/docker/scripts/crosstool-ng.sh
index d0b0491bacba3..25f12791767c9 100644
--- a/src/ci/docker/scripts/crosstool-ng.sh
+++ b/src/ci/docker/scripts/crosstool-ng.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 set -ex
 
-# ignore-tidy-linelength
+# ignore-tidy-file-linelength
 
 CT_NG=1.28.0
 
diff --git a/src/ci/docker/scripts/freebsd-toolchain.sh b/src/ci/docker/scripts/freebsd-toolchain.sh
index 8b4081d27d083..ca641ccfcfaba 100755
--- a/src/ci/docker/scripts/freebsd-toolchain.sh
+++ b/src/ci/docker/scripts/freebsd-toolchain.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# ignore-tidy-linelength
+# ignore-tidy-file-linelength
 
 set -eux
 
diff --git a/src/ci/docker/scripts/musl-toolchain.sh b/src/ci/docker/scripts/musl-toolchain.sh
index c59b6cb3c40a3..9e527e269360b 100644
--- a/src/ci/docker/scripts/musl-toolchain.sh
+++ b/src/ci/docker/scripts/musl-toolchain.sh
@@ -6,7 +6,7 @@
 # musl unlike GLIBC is forward compatible so upgrading it shouldn't break old distributions.
 # Right now we have: Binutils 2.31.1, GCC 9.2.0, musl 1.2.5.
 
-# ignore-tidy-linelength
+# ignore-tidy-file-linelength
 
 set -ex
 
diff --git a/src/ci/docker/scripts/musl.sh b/src/ci/docker/scripts/musl.sh
index 7258d3935e0f6..370b243dd4551 100644
--- a/src/ci/docker/scripts/musl.sh
+++ b/src/ci/docker/scripts/musl.sh
@@ -1,4 +1,6 @@
 #!/bin/sh
+# ignore-tidy-file-tab
+# ignore-tidy-file-linelength
 set -ex
 
 hide_output() {
@@ -41,8 +43,6 @@ if [ ! -d $MUSL ]; then
   # - https://www.openwall.com/lists/musl/2025/02/13/1/1
   # - https://www.openwall.com/lists/musl/2025/02/13/1/2
   #
-  # ignore-tidy-tab
-  # ignore-tidy-linelength
   patch -p1 -d $MUSL <<EOF
 --- a/src/locale/iconv.c
 +++ b/src/locale/iconv.c
diff --git a/src/ci/docker/scripts/sccache.sh b/src/ci/docker/scripts/sccache.sh
index dba617d8bc80d..424514f12567d 100644
--- a/src/ci/docker/scripts/sccache.sh
+++ b/src/ci/docker/scripts/sccache.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# ignore-tidy-linelength
+# ignore-tidy-file-linelength
 
 set -ex
 
diff --git a/src/ci/scripts/free-disk-space-linux.sh b/src/ci/scripts/free-disk-space-linux.sh
index 167abf01ac880..1498bc0a24f2c 100755
--- a/src/ci/scripts/free-disk-space-linux.sh
+++ b/src/ci/scripts/free-disk-space-linux.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 set -euo pipefail
+# ignore-tidy-file-linelength
 
 # Free disk space on Linux GitHub action runners
 # Script inspired by https://github.com/jlumbroso/free-disk-space
@@ -334,7 +335,6 @@ checkAlternative() {
     available_space_kb=$(df -k "$gha_alt_disk" --output=avail | tail -n 1)
 
     # mount options that trade durability for performance
-    # ignore-tidy-linelength
     local mntopts="defaults,discard,journal_async_commit,barrier=0,noauto_da_alloc,lazytime,data=writeback"
 
     # GHA has a 2nd disk mounted at /mnt that is almost empty.
diff --git a/src/doc/rustc/src/jobserver.md b/src/doc/rustc/src/jobserver.md
index da82b0df7c629..8aa02b366c010 100644
--- a/src/doc/rustc/src/jobserver.md
+++ b/src/doc/rustc/src/jobserver.md
@@ -1,5 +1,7 @@
 # Jobserver
 
+<!-- ignore-tidy-file-tab -->
+
 Internally, `rustc` may take advantage of parallelism. `rustc` will coordinate
 with the build system calling it if a [GNU Make jobserver] is passed in the
 `MAKEFLAGS` environment variable. Other flags may have an effect as well, such
@@ -28,8 +30,6 @@ invocations are marked as recursive in the `Makefile` (by prefixing the command
 line with the `+` indicator), so that GNU Make enables the jobserver for them.
 For instance:
 
-<!-- ignore-tidy-tab -->
-
 ```make
 x:
 	+@echo 'fn main() {}' | rustc -
diff --git a/src/doc/rustc/src/platform-support/aarch64-unknown-linux-pauthtest.md b/src/doc/rustc/src/platform-support/aarch64-unknown-linux-pauthtest.md
index 558bc409e08d2..e0f11c7800dcd 100644
--- a/src/doc/rustc/src/platform-support/aarch64-unknown-linux-pauthtest.md
+++ b/src/doc/rustc/src/platform-support/aarch64-unknown-linux-pauthtest.md
@@ -356,6 +356,82 @@ linker = "<path_to>/aarch64-unknown-linux-pauthtest-clang"
 Without it Cargo falls back to the system C toolchain (cc) and the compilation
 fails.
 
+## Controlling pointer authentication features
+
+Pointer authentication behavior for this target can be configured using the
+`-Zpointer-authentication` compiler option. The option accepts a comma-separated
+list of values, each of the form `+<name>` - to enable, or `-<name>` - to
+disable a feature, where `<name>` is one of:
+* `aarch64-jump-table-hardening` - enable hardened lowering for jump-table
+  dispatch
+* `auth-traps` - trap immediately on pointer authentication failure
+* `calls` - enable signing and authentication of indirect calls
+* `elf-got` - enable authentication of pointers loaded from the ELF GOT
+* `function-pointer-type-discrimination` - enable type discrimination for C
+  function pointers
+* `indirect-gotos` - enable signing and authentication of indirect goto targets
+* `init-fini` - enable signing of function pointers stored in init/fini arrays
+* `init-fini-address-discrimination` - enable address discrimination for
+  init/fini array entries
+* `intrinsics` - enable pointer authentication intrinsics
+* `return-addresses` - enable signing and authentication of return addresses
+* `typeinfo-vt-ptr-discrimination` - enable type/address discrimination for
+  authenticated `std::type_info` virtual table pointers
+* `vt-ptr-addr-discrimination` - enable address discrimination for authenticated
+  virtual table pointers
+* `vt-ptr-type-discrimination` - enable type discrimination for authenticated
+  virtual table pointers
+For example:
+`-Zpointer-authentication=+calls,+return-addresses,-init-fini`.
+
+Not all options are currently meaningful for Rust code itself. In particular,
+the virtual table related ones: `typeinfo-vt-ptr-discrimination`,
+`vt-ptr-addr-discrimination`, `vt-ptr-type-discrimination` exist primarily for
+interoperability with C++ code and compatibility with the AArch64 Pointer
+Authentication ELF ABI. Rust does not implement C++ virtual dispatch semantics,
+authenticated C++ member function pointers, or authenticated virtual table
+pointers.
+
+Similarly, `function-pointer-type-discrimination` is recognized for ABI
+compatibility purposes, but full support is not yet implemented in Rust.
+
+Even when these features do not directly affect generated Rust code, they still
+contribute to the emitted PAuth ABI metadata through the LLVM module flags:
+`aarch64-elf-pauthabi-platform`, `aarch64-elf-pauthabi-version`. These flags are
+emitted to communicate pointer authentication ABI requirements to the linker and
+other toolchain components. The ABI version value is computed from the enabled
+pointer authentication features according to the AArch64 ELF PAuth ABI
+specification. The bit layout matches LLVM/Clang definitions.
+
+### Option semantics and compatibility
+
+The `-Zpointer-authentication` option is a [target
+modifier](https://rust-lang.github.io/rfcs/3716-target-modifiers.html). Target
+modifiers are compiler options that affect the ABI, making it unsafe to link
+together Rust crates built with different values. The selected pointer
+authentication configuration becomes part of a crate's compilation
+configuration, and `rustc` verifies that all crates in the dependency graph
+agree on its value. If an incompatibility is detected, compilation is rejected
+with an ABI mismatch error before invoking the linker, providing a clear
+diagnostic. See `tests/ui/target_modifiers/incompatible_pauth.rs` for a sample
+use case.
+
+The order of options is not significant. The compiler canonicalizes the
+specified feature set before recording it, so the following are equivalent:
+
+```text
+-Zpointer-authentication=+calls,+init-fini
+-Zpointer-authentication=+init-fini,+calls
+```
+
+If the same option is specified multiple times, the last occurrence takes
+precedence, matching Clang's behavior. For example, the following would leave
+`init-fini` disable:
+
+```text
+-Zpointer-authentication=+init-fini,-init-fini
+```
+
 ## Cross-compilation toolchains and C code
 
 This target supports interoperability with C code. A
@@ -391,9 +467,13 @@ The following categories are supported (all present in tree):
 * End-to-end execution tests
   * Rust-driven quicksort (pauth-quicksort-rust-driver)
   * C-driven quicksort (pauth-quicksort-c-driver)
-* UI error/warning reporting (the target does not support static linking)
+* UI error/warning reporting
   * crt-static-pauthtest.rs
   * pauth-static-link-warning
+  * enable_pointer_authentication_validation.rs
+  * invalid_target_pointer_authentication.rs
+  * type_discrimination_not_supported_pointer_authentication.rs
+  * incompatible_pauth.rs
 
 All tests from `assembly-llvm`, `codegen-llvm`, `codegen-units`, `coverage`,
 `crashes`, `incremental`, `library`, `mir-opt`, `run-make`, `ui` and
@@ -407,6 +487,7 @@ x.py test --target aarch64-unknown-linux-pauthtest --force-rerun assembly-llvm \
   codegen-llvm codegen-units coverage crashes incremental library mir-opt \
   run-make ui ui-fulldeps \
   tests/assembly-llvm/pauth-basic.rs \
+  tests/codegen-llvm/pauth/pauth-attr-cli-flags.rs \
   tests/codegen-llvm/pauth/pauth-attr-special-funcs.rs \
   tests/codegen-llvm/pauth/pauth-extern-c.rs \
   tests/codegen-llvm/pauth/pauth-extern-c-direct-indirect-call.rs \
@@ -415,7 +496,11 @@ x.py test --target aarch64-unknown-linux-pauthtest --force-rerun assembly-llvm \
   tests/run-make/pauth-quicksort-rust-driver \
   tests/run-make/pauth-quicksort-c-driver \
   tests/run-make/pauth-static-link-warning \
-  tests/ui/statics/crt-static-pauthtest.rs
+  tests/ui/statics/crt-static-pauthtest.rs \
+  tests/ui/pointer_authentication/enable_pointer_authentication_validation.rs \
+  tests/ui/pointer_authentication/invalid_target_pointer_authentication.rs \
+  tests/ui/pointer_authentication/type_discrimination_not_supported_pointer_authentication.rs \
+  tests/ui/target_modifiers/incompatible_pauth.rs
 ```
 
 ## Limitations
diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css
index 1090d4e2feb01..731c8ad8b8223 100644
--- a/src/librustdoc/html/static/css/rustdoc.css
+++ b/src/librustdoc/html/static/css/rustdoc.css
@@ -1,4 +1,4 @@
-/* ignore-tidy-filelength */
+/* ignore-tidy-file-filelength */
 /*
 	When static files are updated, their suffixes need to be updated.
 	1. In the top directory run:
@@ -8,8 +8,6 @@
 	3. Copy the filenames with updated suffixes from the directory.
 */
 
-/* ignore-tidy-filelength */
-
 :root {
 	--nav-sub-mobile-padding: 8px;
 	--search-typename-width: 6.75rem;
diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js
index 26cd2cd0b9698..976d7e39d4ddd 100644
--- a/src/librustdoc/html/static/js/search.js
+++ b/src/librustdoc/html/static/js/search.js
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 /* global addClass, getNakedUrl, getVar, getSettingValue, hasClass, nonnull */
 /* global onEachLazy, removeClass, searchState, browserSupportsHistoryApi */
 
diff --git a/src/librustdoc/html/static/js/stringdex.js b/src/librustdoc/html/static/js/stringdex.js
index f5384e0fd58a3..a5772e5c364c4 100644
--- a/src/librustdoc/html/static/js/stringdex.js
+++ b/src/librustdoc/html/static/js/stringdex.js
@@ -1,4 +1,4 @@
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 /**
  * @import * as stringdex from "./stringdex.d.ts"
  */
diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs
index 7083d730de58c..740a69d3c6b7a 100644
--- a/src/librustdoc/json/conversions.rs
+++ b/src/librustdoc/json/conversions.rs
@@ -685,7 +685,7 @@ impl FromClean<clean::Type> for Type {
                 __pat_unstable_do_not_use: p.to_string(),
             },
             // FIXME(FRTs): implement
-            clean::Type::FieldOf(..) => todo!(),
+            clean::Type::FieldOf(..) => unimplemented!(),
             ImplTrait(g) => Type::ImplTrait(g.into_json(renderer)),
             Infer => Type::Infer,
             RawPointer(mutability, type_) => Type::RawPointer {
@@ -699,7 +699,7 @@ impl FromClean<clean::Type> for Type {
             },
             QPath(qpath) => qpath.into_json(renderer),
             // FIXME(unsafe_binder): Implement rustdoc-json.
-            UnsafeBinder(_) => todo!(),
+            UnsafeBinder(_) => unimplemented!(),
         }
     }
 }
diff --git a/src/tools/clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs b/src/tools/clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs
index 1dbcfafd6b3d3..740326d2f9420 100644
--- a/src/tools/clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs
+++ b/src/tools/clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs
@@ -65,7 +65,8 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, cast_expr: &Expr<'_>,
 
     if let ty::FnDef(def_id, generics) = cast_from.kind()
         && let Some(method_name) = cx.tcx.opt_item_name(*def_id)
-        && let Some((const_name, ty_name)) = get_const_name_and_ty_name(cx, method_name, *def_id, generics.as_slice())
+        && let Some((const_name, ty_name)) =
+            get_const_name_and_ty_name(cx, method_name, *def_id, generics.no_bound_vars().unwrap().as_slice())
     {
         let mut applicability = Applicability::MaybeIncorrect;
         let from_snippet = snippet_with_applicability(cx, cast_expr.span, "..", &mut applicability);
diff --git a/src/tools/clippy/clippy_lints/src/methods/map_clone.rs b/src/tools/clippy/clippy_lints/src/methods/map_clone.rs
index efbb094d49c79..b88a0fe2a7775 100644
--- a/src/tools/clippy/clippy_lints/src/methods/map_clone.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/map_clone.rs
@@ -121,7 +121,7 @@ fn handle_path(
         && let Some(ty) = args.iter().find_map(|generic_arg| generic_arg.as_type())
         && let ty::Ref(_, ty, Mutability::Not) = ty.kind()
         && let ty::FnDef(_, lst) = cx.typeck_results().expr_ty(arg).kind()
-        && lst.iter().all(|l| l.as_type() == Some(*ty))
+        && lst.iter().all(|l| l.no_bound_vars().unwrap().as_type() == Some(*ty))
         && !should_call_clone_as_function(cx, *ty)
     {
         lint_path(cx, e.span, recv.span, is_copy(cx, ty.peel_refs()));
diff --git a/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs b/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs
index 6f9e817490c12..7b2f2e9389e14 100644
--- a/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs
@@ -161,7 +161,7 @@ fn check_unwrap_or_default(
             let output_ty = cx
                 .tcx
                 .fn_sig(def_id)
-                .instantiate(cx.tcx, args)
+                .instantiate(cx.tcx, args.no_bound_vars().unwrap())
                 .skip_norm_wip()
                 .skip_binder()
                 .output();
diff --git a/src/tools/clippy/clippy_lints/src/useless_conversion.rs b/src/tools/clippy/clippy_lints/src/useless_conversion.rs
index dcff26f7d6443..2961ee7081533 100644
--- a/src/tools/clippy/clippy_lints/src/useless_conversion.rs
+++ b/src/tools/clippy/clippy_lints/src/useless_conversion.rs
@@ -187,7 +187,7 @@ impl<'tcx> LateLintPass<'tcx> for UselessConversion {
                         Some(sym::Into | sym::From)
                     )
                     && let ty::FnDef(_, args) = cx.typeck_results().expr_ty(arg).kind()
-                    && let &[from_ty, to_ty] = args.into_type_list(cx.tcx).as_slice()
+                    && let &[from_ty, to_ty] = args.no_bound_vars().unwrap().into_type_list(cx.tcx).as_slice()
                     && same_type_modulo_regions(from_ty, to_ty)
                 {
                     span_lint_and_then(
diff --git a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs
index 0e94868144f05..08944d20f8ace 100644
--- a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs
+++ b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs
@@ -372,7 +372,12 @@ fn check_terminator<'tcx>(
                 // FIXME: when analyzing a function with generic parameters, we may not have enough information to
                 // resolve to an instance. However, we could check if a host effect predicate can guarantee that
                 // this can be made a `const` call.
-                let fn_def_id = match Instance::try_resolve(cx.tcx, cx.typing_env(), *fn_def_id, fn_substs) {
+                let fn_def_id = match Instance::try_resolve(
+                    cx.tcx,
+                    cx.typing_env(),
+                    *fn_def_id,
+                    fn_substs.no_bound_vars().unwrap(),
+                ) {
                     Ok(Some(fn_inst)) => fn_inst.def_id(),
                     Ok(None) => return Err((span, format!("cannot resolve instance for {func:?}").into())),
                     Err(_) => return Err((span, format!("error during instance resolution of {func:?}").into())),
diff --git a/src/tools/clippy/clippy_utils/src/ty/mod.rs b/src/tools/clippy/clippy_utils/src/ty/mod.rs
index ca4ed5150257f..f9a21deeca19d 100644
--- a/src/tools/clippy/clippy_utils/src/ty/mod.rs
+++ b/src/tools/clippy/clippy_utils/src/ty/mod.rs
@@ -719,7 +719,7 @@ pub fn ty_sig<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option<ExprFnSig<'t
             Some(ExprFnSig::Closure(decl, subs.as_closure().sig()))
         },
         ty::FnDef(id, subs) => Some(ExprFnSig::Sig(
-            cx.tcx.fn_sig(id).instantiate(cx.tcx, subs).skip_norm_wip(),
+            cx.tcx.fn_sig(id).instantiate(cx.tcx, subs.no_bound_vars().unwrap()).skip_norm_wip(),
             Some(id),
         )),
         ty::Alias(
diff --git a/src/tools/clippy/lintcheck/ci_crates.toml b/src/tools/clippy/lintcheck/ci_crates.toml
index 6299823451d01..73ccb734ca27d 100644
--- a/src/tools/clippy/lintcheck/ci_crates.toml
+++ b/src/tools/clippy/lintcheck/ci_crates.toml
@@ -163,7 +163,7 @@ zerocopy = { name = 'zerocopy', version = '0.7.35' }
 rustversion = { name = 'rustversion', version = '1.0.17' }
 env_logger = { name = 'env_logger', version = '0.11.3' }
 webpki-roots = { name = 'webpki-roots', version = '0.26.3' }
-rustc-demangle = { name = 'rustc-demangle', version = '0.1.24' }
+rustc-demangle = { name = 'rustc-demangle', version = '0.1.28' }
 mime = { name = 'mime', version = '0.3.17' }
 termcolor = { name = 'termcolor', version = '1.4.1' }
 subtle = { name = 'subtle', version = '2.6.1' }
diff --git a/src/tools/coverage-dump/Cargo.toml b/src/tools/coverage-dump/Cargo.toml
index cb5755a22968a..4e5e664209629 100644
--- a/src/tools/coverage-dump/Cargo.toml
+++ b/src/tools/coverage-dump/Cargo.toml
@@ -12,4 +12,4 @@ leb128 = "0.2.5"
 md5 = { package = "md-5" , version = "0.10.5" }
 miniz_oxide = "0.8.8"
 regex = "1.8.4"
-rustc-demangle = "0.1.23"
+rustc-demangle = "0.1.28"
diff --git a/src/tools/tidy/src/alphabetical.rs b/src/tools/tidy/src/alphabetical.rs
index 77cbdcbd37aa2..e3b5437bbc04c 100644
--- a/src/tools/tidy/src/alphabetical.rs
+++ b/src/tools/tidy/src/alphabetical.rs
@@ -209,6 +209,13 @@ fn check_lines<'a>(path: &Path, content: &'a str, tidy_ctx: &TidyCtx, check: &mu
                     .map(|r| r.end)
                     .unwrap_or(content.len() - offset);
 
+                // This can happen when start and end tags are on the same line...
+                // annoying, but then there's nothing to sort, just skip.
+                if end_nl_start < start_nl_end {
+                    offset += end_nl_end;
+                    continue;
+                }
+
                 let section = &rest[start_nl_end..=end_nl_start];
                 let sorted = sort_section(section);
 
diff --git a/src/tools/tidy/src/style.rs b/src/tools/tidy/src/style.rs
index 4e2f71b94ce2d..af82e8b6d22cf 100644
--- a/src/tools/tidy/src/style.rs
+++ b/src/tools/tidy/src/style.rs
@@ -15,18 +15,21 @@
 //!
 //! A number of these checks can be opted-out of with various directives of the form:
 //! `// ignore-tidy-CHECK-NAME`.
-// ignore-tidy-dbg
 
 use std::ffi::OsStr;
+use std::mem;
 use std::path::Path;
 use std::sync::LazyLock;
 
 use regex::RegexSetBuilder;
 use rustc_hash::FxHashMap;
 
-use crate::diagnostics::{CheckId, TidyCtx};
+use crate::diagnostics::{CheckId, RunningCheck, TidyCtx};
+use crate::style::directive::{Directives, LineNumber, NamedDirective, match_ignore};
 use crate::walk::{filter_dirs, walk};
 
+mod directive;
+
 #[cfg(test)]
 mod tests;
 
@@ -73,23 +76,6 @@ const ANNOTATIONS_TO_IGNORE: &[&str] = &[
     "//@ normalize-stderr",
 ];
 
-const LINELENGTH_CHECK: &str = "linelength";
-
-// If you edit this, also edit where it gets used in `check` (calling `contains_ignore_directives`)
-const CONFIGURABLE_CHECKS: [&str; 11] = [
-    "cr",
-    "undocumented-unsafe",
-    "tab",
-    LINELENGTH_CHECK,
-    "filelength",
-    "end-whitespace",
-    "trailing-newlines",
-    "leading-newlines",
-    "copyright",
-    "dbg",
-    "odd-backticks",
-];
-
 fn generate_problems<'a>(
     consts: &'a [u32],
     letter_digit: &'a FxHashMap<char, char>,
@@ -239,58 +225,10 @@ fn long_line_is_ok(extension: &str, is_error_code: bool, max_columns: usize, lin
     }
 }
 
-#[derive(Clone, Copy)]
-enum Directive {
-    /// By default, tidy always warns against style issues.
-    Deny,
-
-    /// `Ignore(false)` means that an `ignore-tidy-*` directive
-    /// has been provided, but is unnecessary. `Ignore(true)`
-    /// means that it is necessary (i.e. a warning would be
-    /// produced if `ignore-tidy-*` was not present).
-    Ignore(bool),
-}
-
-// Use a fixed size array in the return type to catch mistakes with changing `CONFIGURABLE_CHECKS`
-// without changing the code in `check` easier.
-fn contains_ignore_directives<const N: usize>(
-    path_str: &str,
-    can_contain: bool,
-    contents: &str,
-    checks: [&str; N],
-) -> [Directive; N] {
-    // The rustdoc-json test syntax often requires very long lines, so the checks
-    // for long lines aren't really useful.
-    let always_ignore_linelength = path_str.contains("rustdoc-json");
-
-    if !can_contain && !always_ignore_linelength {
-        return [Directive::Deny; N];
-    }
-
-    checks.map(|check| {
-        if check == LINELENGTH_CHECK && always_ignore_linelength {
-            return Directive::Ignore(false);
-        }
-
-        // Update `can_contain` when changing this
-        if contents.contains(&format!("// ignore-tidy-{check}"))
-            || contents.contains(&format!("# ignore-tidy-{check}"))
-            || contents.contains(&format!("/* ignore-tidy-{check} */"))
-            || contents.contains(&format!("<!-- ignore-tidy-{check} -->"))
-        {
-            Directive::Ignore(false)
-        } else {
-            Directive::Deny
-        }
-    })
-}
-
 macro_rules! suppressible_tidy_err {
-    ($err:ident, $skip:ident, $msg:literal) => {
-        if let Directive::Deny = $skip {
+    ($err:ident, $skip:expr, $msg:literal) => {
+        if let Err(()) = $skip.check() {
             $err(&format!($msg));
-        } else {
-            $skip = Directive::Ignore(true);
         }
     };
 }
@@ -370,25 +308,32 @@ pub fn check(path: &Path, tidy_ctx: TidyCtx) {
         path.extension().is_some_and(|e| e == "css") && !is_in(path, "src", "librustdoc")
     }
 
-    // This creates a RegexSet as regex contains performance optimizations to be able to deal with these over
-    // 2000 needles efficiently. This runs over the entire source code, so performance matters.
-    let problematic_regex = RegexSetBuilder::new(PROBLEMATIC_CONSTS_STRINGS.as_slice())
+    walk(path, skip, &mut |entry, contents| {
+        let file = entry.path();
+        check_file_style(&mut check, file, contents);
+    });
+}
+
+// This creates a RegexSet as regex contains performance optimizations to be able to deal with these over
+// 2000 needles efficiently. This runs over the entire source code, so performance matters.
+static PROBLEMATIC_REGEX: LazyLock<regex::RegexSet> = LazyLock::new(|| {
+    RegexSetBuilder::new(PROBLEMATIC_CONSTS_STRINGS.as_slice())
         .case_insensitive(true)
         .build()
-        .unwrap();
+        .unwrap()
+});
 
+fn check_file_style(check: &mut RunningCheck, file: &Path, contents: &str) {
     // In some cases, a style check would be triggered by its own implementation
     // or comments. A simple workaround is to just allowlist this file.
     let this_file = Path::new(file!());
     let codegen_file = Path::new("src/tools/tidy/src/codegen.rs");
 
-    walk(path, skip, &mut |entry, contents| {
-        let file = entry.path();
-        let path_str = file.to_string_lossy();
-        let filename = file.file_name().unwrap().to_string_lossy();
+    let path_str = file.to_string_lossy();
+    let filename = file.file_name().unwrap().to_string_lossy();
 
-        let is_css_file = filename.ends_with(".css");
-        let under_rustfmt = filename.ends_with(".rs") &&
+    let is_css_file = filename.ends_with(".css");
+    let under_rustfmt = filename.ends_with(".rs") &&
             // This list should ideally be sourced from rustfmt.toml but we don't want to add a toml
             // parser to tidy.
             !file.ancestors().any(|a| {
@@ -396,321 +341,337 @@ pub fn check(path: &Path, tidy_ctx: TidyCtx) {
                     a.ends_with("src/doc/book")
             });
 
-        if contents.is_empty() {
-            check.error(format!("{}: empty file", file.display()));
-        }
+    if contents.is_empty() {
+        check.error(format!("{}: empty file", file.display()));
+    }
 
-        let extension = file.extension().unwrap().to_string_lossy();
-        let is_error_code = extension == "md" && is_in(file, "src", "error_codes");
-        let is_goml_code = extension == "goml";
+    let extension = file.extension().unwrap().to_string_lossy();
+    let is_error_code = extension == "md" && is_in(file, "src", "error_codes");
+    let is_goml_code = extension == "goml";
 
-        let max_columns = if is_error_code {
-            ERROR_CODE_COLS
-        } else if is_goml_code {
-            GOML_COLS
-        } else {
-            COLS
-        };
+    let max_columns = if is_error_code {
+        ERROR_CODE_COLS
+    } else if is_goml_code {
+        GOML_COLS
+    } else {
+        COLS
+    };
 
-        // When you change this, also change the `directive_line_starts` variable below
-        let can_contain = contents.contains("// ignore-tidy-")
-            || contents.contains("# ignore-tidy-")
-            || contents.contains("/* ignore-tidy-")
-            || contents.contains("<!-- ignore-tidy-");
-        // Enable testing ICE's that require specific (untidy)
-        // file formats easily eg. `issue-1234-ignore-tidy.rs`
-        if filename.contains("ignore-tidy") {
-            return;
-        }
-        // Shell completions are automatically generated
-        if let Some(p) = file.parent()
-            && p.ends_with(Path::new("src/etc/completions"))
-        {
-            return;
-        }
-        let [
-            mut skip_cr,
-            mut skip_undocumented_unsafe,
-            mut skip_tab,
-            mut skip_line_length,
-            mut skip_file_length,
-            mut skip_end_whitespace,
-            mut skip_trailing_newlines,
-            mut skip_leading_newlines,
-            mut skip_copyright,
-            mut skip_dbg,
-            mut skip_odd_backticks,
-        ] = contains_ignore_directives(&path_str, can_contain, contents, CONFIGURABLE_CHECKS);
-        let mut leading_new_lines = false;
-        let mut trailing_new_lines = 0;
-        let mut lines = 0;
-        let mut last_safety_comment = false;
-        let mut comment_block: Option<(usize, usize)> = None;
-        let is_test = file.components().any(|c| c.as_os_str() == "tests")
-            || file.file_stem().unwrap() == "tests";
-        let is_codegen_test = is_test && file.components().any(|c| c.as_os_str() == "codegen-llvm");
-        let is_this_file = file.ends_with(this_file) || this_file.ends_with(file);
-        let is_test_for_this_file =
-            is_test && file.parent().unwrap().ends_with(this_file.with_extension(""));
-        let is_codegen_tidy_file = file.ends_with(codegen_file);
-        // scanning the whole file for multiple needles at once is more efficient than
-        // executing lines times needles separate searches.
-        let any_problematic_line =
-            !is_this_file && !is_test_for_this_file && problematic_regex.is_match(contents);
-        for (i, line) in contents.split('\n').enumerate() {
-            if line.is_empty() {
-                if i == 0 {
-                    leading_new_lines = true;
-                }
-                trailing_new_lines += 1;
-                continue;
-            } else {
-                trailing_new_lines = 0;
-            }
+    // When you change this, also change the `directive_line_starts` variable below
+    let can_contain = match_ignore(contents, false, None) || match_ignore(contents, true, None);
 
-            let trimmed = line.trim();
+    // Enable testing ICE's that require specific (untidy)
+    // file formats easily eg. `issue-1234-ignore-tidy.rs`
+    if filename.contains("ignore-tidy") {
+        return;
+    }
+    // Shell completions are automatically generated
+    if let Some(p) = file.parent()
+        && p.ends_with(Path::new("src/etc/completions"))
+    {
+        return;
+    }
 
-            if !trimmed.starts_with("//") {
-                lines += 1;
-            }
+    let file_ignore = Directives::from_str(&path_str, LineNumber::WholeFile, can_contain, contents);
+    // the ignores set in this line, meant for the next line
+    let mut next_line_ignore = Default::default();
 
-            let mut err = |msg: &str| {
-                check.error(format!("{}:{}: {msg}", file.display(), i + 1));
-            };
+    // return immediately if we should ignore this entire file
+    if file_ignore.all.is_ignore_and_defuse() {
+        file_ignore.iter().for_each(|i| i.force_discard_unsused_ignore());
+        return;
+    }
 
-            if trimmed.contains("dbg!")
-                && !trimmed.starts_with("//")
-                && !file.ancestors().any(|a| {
-                    (a.ends_with("tests") && a.join("COMPILER_TESTS.md").exists())
-                        || a.ends_with("library/alloctests")
-                })
-                && filename != "tests.rs"
-            {
-                suppressible_tidy_err!(
-                    err,
-                    skip_dbg,
-                    "`dbg!` macro is intended as a debugging tool. It should not be in version control."
-                )
+    let mut leading_new_lines = false;
+    let mut trailing_new_lines = 0;
+    let mut lines = 0;
+    let mut last_safety_comment = false;
+    let mut comment_block: Option<(usize, usize, NamedDirective)> = None;
+    let is_test =
+        file.components().any(|c| c.as_os_str() == "tests") || file.file_stem().unwrap() == "tests";
+    let is_codegen_test = is_test && file.components().any(|c| c.as_os_str() == "codegen-llvm");
+    let is_this_file = file.ends_with(this_file) || this_file.ends_with(file);
+    let is_test_for_this_file =
+        is_test && file.parent().unwrap().ends_with(this_file.with_extension(""));
+    let is_codegen_tidy_file = file.ends_with(codegen_file);
+    // scanning the whole file for multiple needles at once is more efficient than
+    // executing lines times needles separate searches.
+    let any_problematic_line =
+        !is_this_file && !is_test_for_this_file && PROBLEMATIC_REGEX.is_match(contents);
+    for (i, line) in contents.split('\n').enumerate() {
+        if line.is_empty() {
+            if i == 0 {
+                leading_new_lines = true;
             }
+            trailing_new_lines += 1;
+            continue;
+        } else {
+            trailing_new_lines = 0;
+        }
+
+        let line_number = i + 1;
+
+        let mut ignore = file_ignore.create_child(
+            mem::replace(
+                &mut next_line_ignore,
+                Directives::from_str(&path_str, LineNumber::Line(line_number), can_contain, line),
+            ),
+            check,
+            file,
+        );
+
+        let trimmed = line.trim();
+
+        if !trimmed.starts_with("//") {
+            lines += 1;
+        }
 
-            if is_codegen_test && trimmed.contains("CHECK") && trimmed.ends_with(": br") {
-                err("`CHECK: br` and `CHECK-NOT: br` in codegen tests are fragile to false \
+        let mut err = |msg: &str| {
+            check.error(format!("{}:{}: {msg}", file.display(), line_number));
+        };
+
+        if !is_this_file
+            && trimmed.contains("dbg!")
+            && !trimmed.starts_with("//")
+            && !file.ancestors().any(|a| {
+                (a.ends_with("tests") && a.join("COMPILER_TESTS.md").exists())
+                    || a.ends_with("library/alloctests")
+            })
+            && filename != "tests.rs"
+        {
+            suppressible_tidy_err!(
+                err,
+                ignore.dbg,
+                "`dbg!` macro is intended as a debugging tool. It should not be in version control."
+            )
+        }
+
+        if !is_this_file
+            && trimmed.contains("todo!")
+            && !trimmed.starts_with("//")
+            && !file.ancestors().any(|a| {
+                (a.ends_with("tests") && a.join("COMPILER_TESTS.md").exists())
+                    || a.ends_with("library/alloctests")
+            })
+            && filename != "tests.rs"
+        {
+            suppressible_tidy_err!(
+                err,
+                ignore.todo,
+                "the `todo!` macro is used for tasks that should be done before merging a PR. If you want to panic here, use `panic!`, `unimplemented!`, `unreachable!`, `rustc_middle::bug!` or an assertion"
+            )
+        }
+
+        if is_codegen_test && trimmed.contains("CHECK") && trimmed.ends_with(": br") {
+            err("`CHECK: br` and `CHECK-NOT: br` in codegen tests are fragile to false \
                     positives in mangled symbols. Try using `br {{.*}}` instead.")
-            }
+        }
 
-            if !under_rustfmt
-                && line.chars().count() > max_columns
-                && !long_line_is_ok(&extension, is_error_code, max_columns, line)
-            {
-                suppressible_tidy_err!(
-                    err,
-                    skip_line_length,
-                    "line longer than {max_columns} chars"
-                );
-            }
-            if !is_css_file && line.contains('\t') {
-                suppressible_tidy_err!(err, skip_tab, "tab character");
-            }
-            if line.ends_with(' ') || line.ends_with('\t') {
-                suppressible_tidy_err!(err, skip_end_whitespace, "trailing whitespace");
-            }
-            if is_css_file && line.starts_with(' ') {
-                err("CSS files use tabs for indent");
-            }
-            if line.contains('\r') {
-                suppressible_tidy_err!(err, skip_cr, "CR character");
-            }
-            if !is_this_file && !is_codegen_tidy_file {
-                let directive_line_starts = ["// ", "# ", "/* ", "<!-- "];
-                let possible_line_start =
-                    directive_line_starts.into_iter().any(|s| line.starts_with(s));
-                let contains_potential_directive =
-                    possible_line_start && (line.contains("-tidy") || line.contains("tidy-"));
-                let has_recognized_ignore_directive =
-                    contains_ignore_directives(&path_str, can_contain, line, CONFIGURABLE_CHECKS)
-                        .into_iter()
-                        .any(|directive| matches!(directive, Directive::Ignore(_)));
-                let has_alphabetical_directive = line.contains("tidy-alphabetical-start")
-                    || line.contains("tidy-alphabetical-end");
-                let has_other_tidy_ignore_directive =
-                    line.contains("ignore-tidy-target-specific-tests");
-                let has_recognized_directive = has_recognized_ignore_directive
-                    || has_alphabetical_directive
-                    || has_other_tidy_ignore_directive;
-                if contains_potential_directive && (!has_recognized_directive) {
-                    err("Unrecognized tidy directive")
-                }
-                // Allow using TODO in diagnostic suggestions by marking the
-                // relevant line with `// ignore-tidy-todo`.
-                if trimmed.contains("TODO") && !trimmed.contains("ignore-tidy-todo") {
-                    err(
-                        "TODO is used for tasks that should be done before merging a PR; If you want to leave a message in the codebase use FIXME",
-                    )
-                }
-                if trimmed.contains("//") && trimmed.contains(" XXX") {
-                    err("Instead of XXX use FIXME")
-                }
-                if any_problematic_line && contains_problematic_const(trimmed) {
-                    err("Don't use magic numbers that spell things (consider 0x12345678)");
-                }
-            }
-            // for now we just check libcore
-            if trimmed.contains("unsafe {")
-                && !trimmed.starts_with("//")
-                && !last_safety_comment
-                && file.components().any(|c| c.as_os_str() == "core")
-                && !is_test
-            {
-                suppressible_tidy_err!(err, skip_undocumented_unsafe, "undocumented unsafe");
+        if !under_rustfmt
+            && line.chars().count() > max_columns
+            && !long_line_is_ok(&extension, is_error_code, max_columns, line)
+        {
+            suppressible_tidy_err!(err, ignore.linelength, "line longer than {max_columns} chars");
+        }
+        if !is_css_file && line.contains('\t') {
+            suppressible_tidy_err!(err, ignore.tab, "tab character");
+        }
+        if line.ends_with(' ') || line.ends_with('\t') {
+            suppressible_tidy_err!(err, ignore.end_whitespace, "trailing whitespace");
+        }
+        if is_css_file && line.starts_with(' ') {
+            err("CSS files use tabs for indent");
+        }
+        if line.contains('\r') {
+            suppressible_tidy_err!(err, ignore.cr, "CR character");
+        }
+        if !is_this_file && !is_codegen_tidy_file {
+            let directive_line_starts = ["// ", "# ", "/* ", "<!-- "];
+            let possible_line_start =
+                directive_line_starts.into_iter().any(|s| line.starts_with(s));
+            let contains_potential_directive =
+                possible_line_start && (line.contains("-tidy") || line.contains("tidy-"));
+            let has_recognized_ignore_directive = can_contain
+                && (Directives::parse(LineNumber::Line(line_number), line)
+                    .iter()
+                    .any(|directive| directive.is_ignore_and_defuse())
+                    || Directives::parse(LineNumber::WholeFile, line)
+                        .iter()
+                        .any(|directive| directive.is_ignore_and_defuse()));
+            let has_alphabetical_directive =
+                line.contains("tidy-alphabetical-start") || line.contains("tidy-alphabetical-end");
+            let has_other_tidy_ignore_directive =
+                line.contains("ignore-tidy-target-specific-tests");
+            let has_recognized_directive = has_recognized_ignore_directive
+                || has_alphabetical_directive
+                || has_other_tidy_ignore_directive;
+            if contains_potential_directive && (!has_recognized_directive) {
+                err("Unrecognized tidy directive")
             }
-            if trimmed.contains("// SAFETY:") {
-                last_safety_comment = true;
-            } else if trimmed.starts_with("//") || trimmed.is_empty() {
-                // keep previous value
-            } else {
-                last_safety_comment = false;
+            // Allow using TODO in diagnostic suggestions by marking the
+            // relevant line with `ignore-tidy-todo`.
+            if trimmed.contains("TODO") && !trimmed.contains("ignore-tidy-todo") {
+                err(
+                    "TODO is used for tasks that should be done before merging a PR; If you want to leave a message in the codebase use FIXME",
+                )
             }
-            if (line.starts_with("// Copyright")
-                || line.starts_with("# Copyright")
-                || line.starts_with("Copyright"))
-                && (trimmed.contains("Rust Developers")
-                    || trimmed.contains("Rust Project Developers"))
-            {
-                suppressible_tidy_err!(
-                    err,
-                    skip_copyright,
-                    "copyright notices attributed to the Rust Project Developers are deprecated"
-                );
+            if trimmed.contains("//") && trimmed.contains(" XXX") {
+                err("Instead of XXX use FIXME")
             }
-            if !file.components().any(|c| c.as_os_str() == "rustc_baked_icu_data")
-                && is_unexplained_ignore(&extension, line)
-            {
-                err(UNEXPLAINED_IGNORE_DOCTEST_INFO);
+            if any_problematic_line && contains_problematic_const(trimmed) {
+                err("Don't use magic numbers that spell things (consider 0x12345678)");
             }
+        }
+        // for now we just check libcore
+        if trimmed.contains("unsafe {")
+            && !trimmed.starts_with("//")
+            && !last_safety_comment
+            && file.components().any(|c| c.as_os_str() == "core")
+            && !is_test
+        {
+            suppressible_tidy_err!(err, ignore.undocumented_unsafe, "undocumented unsafe");
+        }
+        if trimmed.contains("// SAFETY:") {
+            last_safety_comment = true;
+        } else if trimmed.starts_with("//") || trimmed.is_empty() {
+            // keep previous value
+        } else {
+            last_safety_comment = false;
+        }
+        if (line.starts_with("// Copyright")
+            || line.starts_with("# Copyright")
+            || line.starts_with("Copyright"))
+            && (trimmed.contains("Rust Developers") || trimmed.contains("Rust Project Developers"))
+        {
+            suppressible_tidy_err!(
+                err,
+                ignore.copyright,
+                "copyright notices attributed to the Rust Project Developers are deprecated"
+            );
+        }
+        if !file.components().any(|c| c.as_os_str() == "rustc_baked_icu_data")
+            && is_unexplained_ignore(&extension, line)
+        {
+            err(UNEXPLAINED_IGNORE_DOCTEST_INFO);
+        }
 
-            if filename.ends_with(".cpp") && line.contains("llvm_unreachable") {
-                err(LLVM_UNREACHABLE_INFO);
+        if filename.ends_with(".cpp") && line.contains("llvm_unreachable") {
+            err(LLVM_UNREACHABLE_INFO);
+        }
+
+        // For now only enforce in compiler
+        let is_compiler = || file.components().any(|c| c.as_os_str() == "compiler");
+
+        if is_compiler() {
+            if line.contains("//")
+                && line
+                    .chars()
+                    .collect::<Vec<_>>()
+                    .windows(4)
+                    .any(|cs| matches!(cs, ['.', ' ', ' ', last] if last.is_alphabetic()))
+            {
+                err(DOUBLE_SPACE_AFTER_DOT)
             }
 
-            // For now only enforce in compiler
-            let is_compiler = || file.components().any(|c| c.as_os_str() == "compiler");
-
-            if is_compiler() {
-                if line.contains("//")
-                    && line
-                        .chars()
-                        .collect::<Vec<_>>()
-                        .windows(4)
-                        .any(|cs| matches!(cs, ['.', ' ', ' ', last] if last.is_alphabetic()))
-                {
-                    err(DOUBLE_SPACE_AFTER_DOT)
+            // Heuristics for matching unbalanced backticks by trying to find comments and
+            // comment blocks. Technically, this can have false negatives (or false positives),
+            // but as a heuristic this is fine.
+            let likely_comment = |trimmed: &str| {
+                if trimmed.contains("ignore-tidy") {
+                    return false;
                 }
 
-                // Heuristics for matching unbalanced backticks by trying to find comments and
-                // comment blocks. Technically, this can have false negatives (or false positives),
-                // but as a heuristic this is fine.
-                let likely_comment = |trimmed: &str| {
-                    // Line comments, doc comments
-                    trimmed.contains("//")
+                // Line comments, doc comments
+                trimmed.contains("//")
                         // Also account for `#[cfg_attr(bootstrap, doc = "")]` cases.
                         || (trimmed.contains("cfg_attr") && trimmed.contains("doc"))
-                };
-
-                if likely_comment(trimmed) {
-                    let (start_line, mut backtick_count) = comment_block.unwrap_or((i + 1, 0));
-                    let line_backticks = trimmed.chars().filter(|ch| *ch == '`').count();
-
-                    // Try to split `//`-like comments or `#[cfg_attr(bootstrap), doc = ""]`-like
-                    // doc attributes. Fuzzy, but probably good enough.
-                    let comment_text = match trimmed.split("//").nth(1) {
-                        Some(text) => text,
-                        None => {
-                            // Fallback to try look for RHS of doc attr bits.
-                            let (_doc, rest) =
-                                trimmed.split_once("doc").expect("failed to find `doc` attribute");
-                            rest
-                        }
-                    };
+            };
 
-                    // If backticks on a given comment line is not balanced, add to backtick count.
-                    // This is to account for wrapped backticks and code blocks.
-                    if line_backticks % 2 == 1 {
-                        backtick_count += comment_text.chars().filter(|ch| *ch == '`').count();
-                    }
-                    comment_block = Some((start_line, backtick_count));
-                } else if let Some((start_line, backtick_count)) = comment_block.take()
-                    && backtick_count % 2 == 1
-                {
-                    let mut err = |msg: &str| {
-                        check.error(format!("{}:{start_line}: {msg}", file.display()));
-                    };
-                    let block_len = (i + 1) - start_line;
-                    if block_len == 1 {
-                        suppressible_tidy_err!(
-                            err,
-                            skip_odd_backticks,
-                            "comment with odd number of backticks"
-                        );
-                    } else {
-                        suppressible_tidy_err!(
-                            err,
-                            skip_odd_backticks,
-                            "{block_len}-line comment block with odd number of backticks"
-                        );
+            if likely_comment(trimmed) {
+                let (start_line, mut backtick_count, directive) =
+                    comment_block.take().unwrap_or((line_number, 0, ignore.odd_backticks.take()));
+                let line_backticks = trimmed.chars().filter(|ch| *ch == '`').count();
+
+                // Try to split `//`-like comments or `#[cfg_attr(bootstrap), doc = ""]`-like
+                // doc attributes. Fuzzy, but probably good enough.
+                let comment_text = match trimmed.split("//").nth(1) {
+                    Some(text) => text,
+                    None => {
+                        // Fallback to try look for RHS of doc attr bits.
+                        let (_doc, rest) =
+                            trimmed.split_once("doc").expect("failed to find `doc` attribute");
+                        rest
                     }
+                };
+
+                // If backticks on a given comment line is not balanced, add to backtick count.
+                // This is to account for wrapped backticks and code blocks.
+                if line_backticks % 2 == 1 {
+                    backtick_count += comment_text.chars().filter(|ch| *ch == '`').count();
                 }
+                comment_block = Some((start_line, backtick_count, directive));
+            } else if let Some((start_line, backtick_count, directive)) = comment_block.take()
+                && backtick_count % 2 == 1
+            {
+                let mut err = |msg: &str| {
+                    check.error(format!("{}:{start_line}: {msg}", file.display()));
+                };
+                let block_len = line_number - start_line;
+                if block_len == 1 {
+                    suppressible_tidy_err!(
+                        err,
+                        // use the directives from when the block started
+                        directive,
+                        "comment with odd number of backticks"
+                    );
+                } else {
+                    suppressible_tidy_err!(
+                        err,
+                        // use the directives from when the block started
+                        directive,
+                        "{block_len}-line comment block with odd number of backticks"
+                    );
+                }
+
+                directive.check_usage(check, file);
             }
         }
-        if leading_new_lines {
-            let mut err = |_| {
-                check.error(format!("{}: leading newline", file.display()));
-            };
-            suppressible_tidy_err!(err, skip_leading_newlines, "missing leading newline");
-        }
-        let mut err = |msg: &str| {
-            check.error(format!("{}: {}", file.display(), msg));
+
+        ignore.check_usage(check, file);
+    }
+    if leading_new_lines {
+        let mut err = |_| {
+            check.error(format!("{}: leading newline", file.display()));
         };
-        match trailing_new_lines {
-            0 => suppressible_tidy_err!(err, skip_trailing_newlines, "missing trailing newline"),
-            1 => {}
-            n => suppressible_tidy_err!(
-                err,
-                skip_trailing_newlines,
-                "too many trailing newlines ({n})"
-            ),
+        suppressible_tidy_err!(err, file_ignore.leading_newlines, "missing leading newline");
+    }
+    let mut err = |msg: &str| {
+        check.error(format!("{}: {}", file.display(), msg));
+    };
+    match trailing_new_lines {
+        0 => suppressible_tidy_err!(err, file_ignore.trailing_newlines, "missing trailing newline"),
+        1 => {}
+        n => suppressible_tidy_err!(
+            err,
+            file_ignore.trailing_newlines,
+            "too many trailing newlines ({n})"
+        ),
+    };
+    if lines > LINES {
+        let mut err = |_| {
+            check.error(format!(
+                "{}: too many lines ({lines}) (add `// \
+                     ignore-tidy-file-filelength` to the file to suppress this error)",
+                file.display(),
+            ));
         };
-        if lines > LINES {
-            let mut err = |_| {
-                check.error(format!(
-                    "{}: too many lines ({lines}) (add `// \
-                     ignore-tidy-filelength` to the file to suppress this error)",
-                    file.display(),
-                ));
-            };
-            suppressible_tidy_err!(err, skip_file_length, "");
-        }
+        suppressible_tidy_err!(err, file_ignore.filelength, "");
+    }
 
-        if let Directive::Ignore(false) = skip_cr {
-            check.error(format!("{}: ignoring CR characters unnecessarily", file.display()));
-        }
-        if let Directive::Ignore(false) = skip_tab {
-            check.error(format!("{}: ignoring tab characters unnecessarily", file.display()));
-        }
-        if let Directive::Ignore(false) = skip_end_whitespace {
-            check.error(format!("{}: ignoring trailing whitespace unnecessarily", file.display()));
-        }
-        if let Directive::Ignore(false) = skip_trailing_newlines {
-            check.error(format!("{}: ignoring trailing newlines unnecessarily", file.display()));
-        }
-        if let Directive::Ignore(false) = skip_leading_newlines {
-            check.error(format!("{}: ignoring leading newlines unnecessarily", file.display()));
-        }
-        if let Directive::Ignore(false) = skip_copyright {
-            check.error(format!("{}: ignoring copyright unnecessarily", file.display()));
-        }
-        // We deliberately do not warn about these being unnecessary,
-        // that would just lead to annoying churn.
-        let _unused = skip_line_length;
-        let _unused = skip_file_length;
-    });
+    if let Some((_, _, directive)) = comment_block.take() {
+        directive.check_usage(check, file);
+    }
+    drop(comment_block);
+    next_line_ignore.check_usage(check, file);
+    file_ignore.check_usage(check, file);
 }
diff --git a/src/tools/tidy/src/style/directive.rs b/src/tools/tidy/src/style/directive.rs
new file mode 100644
index 0000000000000..f605aa1aa15ee
--- /dev/null
+++ b/src/tools/tidy/src/style/directive.rs
@@ -0,0 +1,343 @@
+use std::cell::Cell;
+use std::mem;
+use std::path::Path;
+use std::rc::Rc;
+
+use crate::diagnostics::RunningCheck;
+
+macro_rules! configurable_checks {
+        (@parse_error_message doc = $doc:literal) => {
+            Some($doc)
+        };
+        (@parse_error_message dont_check_unused) => {
+            None
+        };
+
+        ($(#[$($doc: tt)*] $field: ident => $name: expr),* $(,)?) => {
+        #[derive(Debug)]
+        pub struct Directives {
+            $(
+                pub $field: NamedDirective
+            ),*
+        }
+
+        impl Default for Directives {
+            fn default() -> Self {
+                Self {
+                    $($field: NamedDirective {
+                        directive: Default::default(),
+                        name: $name,
+                        error_message: configurable_checks!(@parse_error_message $($doc)*),
+                    }),*
+                }
+            }
+        }
+
+        impl Directives {
+            pub fn iter(&self) -> impl Iterator<Item = &NamedDirective> {
+                vec![
+                    $(
+                        &self.$field
+                    ),*
+                ].into_iter()
+            }
+
+            pub fn iter_mut(&mut self) -> impl Iterator<Item = &mut NamedDirective> {
+                vec![
+                    $(
+                        &mut self.$field
+                    ),*
+                ].into_iter()
+            }
+
+            pub fn create_child(&self, new: Directives, check: &mut RunningCheck, file: &Path) -> Directives {
+                Directives {
+                    $($field: self.$field.create_child(new.$field, check, file)),*
+                }
+            }
+        }
+    };
+}
+
+const LINELENGTH_CHECK: &str = "linelength";
+configurable_checks!(
+
+    // We deliberately do not warn about this being unnecessary,
+    // that would just lead to annoying churn.
+    #[dont_check_unused]
+    linelength => LINELENGTH_CHECK,
+
+    // We deliberately do not warn about this being unnecessary,
+    // that would just lead to annoying churn.
+    #[dont_check_unused]
+    filelength => "filelength",
+
+    // ignore tidy for this entire file
+    #[dont_check_unused]
+    all => "all",
+
+    /// ignoring CR characters unnecessarily
+    cr => "cr",
+    /// ignoring undocumented unsafe unnecessarily
+    undocumented_unsafe => "undocumented-unsafe",
+    /// ignoring tab characters unnecessarily
+    tab => "tab",
+    /// ignoring trailing whitespace unnecessarily
+    end_whitespace => "end-whitespace",
+    /// ignoring trailing newlines unnecessarily
+    trailing_newlines => "trailing-newlines",
+    /// ignoring leading newlines unnecessarily
+    leading_newlines => "leading-newlines",
+    /// ignoring leading newlines unnecessarily
+    copyright => "copyright",
+    /// ignoring dbg usage unnecessarily
+    dbg => "dbg",
+    /// ignoring odd backticks unnecessarily
+    odd_backticks => "odd-backticks",
+    /// ignoring todo usage unnecessarily
+    todo => "todo",
+);
+
+#[derive(Debug)]
+pub struct NamedDirective {
+    directive: Directive,
+    name: &'static str,
+    error_message: Option<&'static str>,
+}
+
+impl NamedDirective {
+    pub fn check_usage(&self, check: &mut RunningCheck, file: &Path) {
+        let Some(message) = self.error_message else {
+            self.force_discard_unsused_ignore();
+            return;
+        };
+
+        if let Err(line) = self.directive.is_ignore_unused_and_mark_checked() {
+            match line {
+                LineNumber::Line(line) => {
+                    check.error(format!("{}:{}: {}", file.display(), line, message));
+                }
+                LineNumber::WholeFile => {
+                    check.error(format!("{}: {}", file.display(), message));
+                }
+            }
+        }
+    }
+
+    fn create_child(&self, new: Self, check: &mut RunningCheck, file: &Path) -> Self {
+        let directive = match (&self.directive, &new.directive) {
+            // If both are deny, we don't care.
+            (Directive::Deny, Directive::Deny) => Directive::Deny,
+            // If (for example) ignored at the file level, but denied at the line level,
+            // keep the ignore as a derived. Deny is the default, so we care about the
+            // ignore.
+            (Directive::Ignore { used, line_number, inherited: _ }, Directive::Deny) => {
+                Directive::Ignore {
+                    used: Rc::clone(used),
+                    line_number: *line_number,
+                    inherited: true,
+                }
+            }
+            // If (for example) ignored at the line level, but not at the file level,
+            // copy in the line-level one verbatim.
+            (Directive::Deny, Directive::Ignore { .. }) => return new,
+            // If (for example) ignored at the file level, and also at the line level,
+            // keep the file-level one. It takes precedence. If a lint is ignored at
+            // a file level, the line-level ignore should be marked "unused".
+            (Directive::Ignore { used, line_number, inherited: _ }, Directive::Ignore { .. }) => {
+                new.check_usage(check, file);
+                Directive::Ignore {
+                    used: Rc::clone(used),
+                    line_number: *line_number,
+                    inherited: true,
+                }
+            }
+        };
+
+        Self { directive, name: self.name, error_message: self.error_message }
+    }
+
+    pub fn is_ignore_and_defuse(&self) -> bool {
+        if let Directive::Ignore { used, .. } = &self.directive {
+            used.set(DirectiveUsed::Checked);
+            true
+        } else {
+            false
+        }
+    }
+
+    pub fn take(&mut self) -> Self {
+        mem::replace(
+            self,
+            Self {
+                directive: Default::default(),
+                name: self.name,
+                error_message: self.error_message,
+            },
+        )
+    }
+
+    /// Check whether we should error on this directive, or whether it was ignored.
+    pub fn check(&self) -> Result<(), ()> {
+        match &self.directive {
+            Directive::Deny => Err(()),
+            Directive::Ignore { used, .. } => {
+                used.set(DirectiveUsed::Yes);
+                Ok(())
+            }
+        }
+    }
+
+    /// Explicitly discard the fact that this directive may be ignored unnecessary.
+    pub fn force_discard_unsused_ignore(&self) {
+        self.is_ignore_and_defuse();
+    }
+}
+
+impl Drop for NamedDirective {
+    fn drop(&mut self) {
+        if let Directive::Ignore { used, inherited: false, .. } = &self.directive
+            && !matches!(used.get(), DirectiveUsed::Checked)
+        {
+            panic!("unchecked directive {} (call Directives::check_usage)", self.name);
+        }
+    }
+}
+
+/// When a directive is set to "ignore",  it means a normally-active
+/// tidy lint is now ignored. This can be bad, if it's ignored for no
+/// reason, so we track whether the ignore is actualy ignoring something.
+#[derive(Clone, Copy, Debug)]
+pub enum DirectiveUsed {
+    /// A lint is ignored, and something used that fact.
+    /// i.e. A lint would've been emitted if it wasn't ignored.
+    Yes,
+    /// A lint is ignored but nothing yet used this ignore.
+    No,
+    /// For drop-bomb behavior: a directive is ignored, and we've
+    /// checked whether it was used or not. Directives panic on drop
+    /// if they aren't checked, to ensure we always emit a lint when
+    /// a directive is uselessly ignored
+    Checked,
+}
+
+#[derive(Debug, Default)]
+pub enum Directive {
+    /// By default, tidy always warns against style issues.
+    #[default]
+    Deny,
+
+    /// `Ignore {used: No}` means that an `ignore-tidy-*` directive has been provided,
+    /// but is unnecessary. `Ignore {used: Yes}` means that it is necessary
+    /// (i.e. a warning would be produced if `ignore-tidy-*` was not present).
+    Ignore {
+        /// line on which the ignore was found
+        line_number: LineNumber,
+        used: Rc<Cell<DirectiveUsed>>,
+        /// If this ignore is inherited from some higher-level,
+        /// like from a file-level ignore, we only want to check whether
+        /// it was used or not (and run the drop bomb) at the end of the file.
+        inherited: bool,
+    },
+}
+
+impl Directive {
+    pub fn set_ignore(&mut self, line_number: LineNumber) {
+        if let Self::Ignore { used, .. } = self {
+            used.set(DirectiveUsed::No);
+        } else {
+            *self = Directive::Ignore {
+                used: Rc::new(Cell::new(DirectiveUsed::No)),
+                line_number,
+                inherited: false,
+            }
+        }
+    }
+
+    /// Check whether this directive was ignored unnecessary.
+    fn is_ignore_unused_and_mark_checked(&self) -> Result<(), LineNumber> {
+        // only if inherted = false, otherwise, we shouldn't set checked and shouldn't care about its value
+        if let Self::Ignore { used, line_number, inherited: false } = self {
+            let used = used.replace(DirectiveUsed::Checked);
+            if matches!(used, DirectiveUsed::No) { Err(*line_number) } else { Ok(()) }
+        } else {
+            Ok(())
+        }
+    }
+}
+
+impl Directives {
+    pub fn check_usage(self, check: &mut RunningCheck, file: &Path) {
+        for i in self.iter() {
+            i.check_usage(check, file);
+        }
+    }
+
+    pub fn from_str(
+        path_str: &str,
+        line_number: LineNumber,
+        can_contain_directive_fastpath: bool,
+        contents: &str,
+    ) -> Self {
+        let mut res = if !can_contain_directive_fastpath {
+            Default::default()
+        } else {
+            Self::parse(line_number, contents)
+        };
+
+        // The rustdoc-json test syntax often requires very long lines, so the checks
+        // for long lines aren't really useful.
+        let always_ignore_linelength = path_str.contains("rustdoc-json");
+
+        if always_ignore_linelength {
+            res.linelength.directive.set_ignore(line_number);
+        }
+
+        res
+    }
+
+    pub fn parse(line_number: LineNumber, contents: &str) -> Self {
+        let mut directives = Self::default();
+
+        for directive in directives.iter_mut() {
+            if match_ignore(
+                contents,
+                matches!(line_number, LineNumber::WholeFile),
+                Some(directive.name),
+            ) {
+                directive.directive.set_ignore(line_number);
+            }
+        }
+
+        directives
+    }
+}
+
+#[derive(Clone, Copy, Debug)]
+pub enum LineNumber {
+    Line(usize),
+    /// file ignores were used, which scans the whole file for patterns.
+    /// We don't know exactly on which line it happened.
+    /// FIXME: do know
+    WholeFile,
+}
+
+pub fn match_ignore(contents: &str, whole_file: bool, check: Option<&str>) -> bool {
+    let comments = [("// ", ""), ("# ", ""), ("/* ", " */"), ("<!-- ", " -->")];
+    let base = "ignore-tidy";
+    let file = if whole_file { "file-" } else { "" };
+
+    for (start, end) in comments {
+        if let Some(check) = check {
+            if contents.contains(&format!("{start}{base}-{file}{check}{end}")) {
+                return true;
+            }
+        } else {
+            if contents.contains(&format!("{start}{base}")) {
+                return true;
+            }
+        }
+    }
+
+    false
+}
diff --git a/src/tools/tidy/src/style/tests.rs b/src/tools/tidy/src/style/tests.rs
index 8a3586dad0e36..a3973843b8fc8 100644
--- a/src/tools/tidy/src/style/tests.rs
+++ b/src/tools/tidy/src/style/tests.rs
@@ -1,4 +1,8 @@
+// This file tests a bunch of tidy's own directives, so a lot of unwanted directives trigger here otherwise.
+// By ignoring all, we can play around with whatever we'd like in this file
+// ignore-tidy-file-all
 use super::*;
+use crate::diagnostics::TidyFlags;
 
 #[test]
 fn test_contains_problematic_const() {
@@ -8,3 +12,100 @@ fn test_contains_problematic_const() {
     assert!(contains_problematic_const(&format!("{:x}B5", 2816))); // check for case-alternating hex display
     assert!(!contains_problematic_const("1193046")); // check for non-matching value
 }
+
+fn tidy_style_check(contents: &str) -> Vec<String> {
+    let path = Path::new("/");
+    let tidy_ctx = TidyCtx::new(path, false, None, TidyFlags::new(true));
+    let mut check = tidy_ctx.start_check(CheckId::new("style").path(path));
+    check_file_style(&mut check, &path.join("test.rs"), contents);
+
+    check.get_errors()
+}
+
+#[test]
+fn test_tidy_style_unused_directive() {
+    assert_eq!(
+        tidy_style_check(
+            r#"// ignore-tidy-todo
+"#
+        ),
+        vec!["/test.rs:1:  ignoring todo usage unnecessarily".to_string()]
+    );
+}
+
+#[test]
+fn test_tidy_style_unused_file_directive() {
+    assert_eq!(
+        tidy_style_check(
+            r#"// ignore-tidy-file-todo
+"#
+        ),
+        vec!["/test.rs:  ignoring todo usage unnecessarily".to_string()]
+    );
+}
+
+#[test]
+fn test_tidy_todo_usage_ignored_correctly() {
+    assert_eq!(
+        tidy_style_check(
+            r#"// ignore-tidy-todo
+todo!()
+"#
+        ),
+        Vec::<String>::new()
+    );
+}
+
+#[test]
+fn test_tidy_todo_usage_ignored_correctly_file() {
+    assert_eq!(
+        tidy_style_check(
+            r#"// ignore-tidy-file-todo
+todo!()
+"#
+        ),
+        Vec::<String>::new()
+    );
+}
+
+#[test]
+fn test_tidy_todo_usage_ignored_wrong_line() {
+    assert_eq!(
+        tidy_style_check(
+            r#"// ignore-tidy-todo
+foo
+todo!()
+"#
+        ),
+        vec![
+            "/test.rs:1:  ignoring todo usage unnecessarily".to_string(),
+            "/test.rs:3: the `todo!` macro is used for tasks that should be done before merging a PR. If you want to panic here, use `panic!`, `unimplemented!`, `unreachable!`, `rustc_middle::bug!` or an assertion".to_string()
+        ]
+    );
+}
+
+#[test]
+fn test_tidy_todo_usage_ignored_correctly_file_line_inbetween() {
+    assert_eq!(
+        tidy_style_check(
+            r#"// ignore-tidy-file-todo
+foo
+todo!()
+"#
+        ),
+        Vec::<String>::new()
+    );
+}
+
+#[test]
+fn test_file_ignore_precedence() {
+    assert_eq!(
+        tidy_style_check(
+            r#"// ignore-tidy-file-todo
+// ignore-tidy-todo
+todo!()
+"#
+        ),
+        vec!["/test.rs:2:  ignoring todo usage unnecessarily".to_string()]
+    );
+}
diff --git a/tests/assembly-llvm/targets/targets-elf.rs b/tests/assembly-llvm/targets/targets-elf.rs
index 7512adef34e2c..15da022203ade 100644
--- a/tests/assembly-llvm/targets/targets-elf.rs
+++ b/tests/assembly-llvm/targets/targets-elf.rs
@@ -1,6 +1,6 @@
 //@ add-minicore
 //@ assembly-output: emit-asm
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ revisions: aarch64_be_unknown_hermit
 //@ [aarch64_be_unknown_hermit] compile-flags: --target aarch64_be-unknown-hermit
 //@ [aarch64_be_unknown_hermit] needs-llvm-components: aarch64
diff --git a/tests/auxiliary/minicore.rs b/tests/auxiliary/minicore.rs
index e50b9b785ad48..d63d48e56903d 100644
--- a/tests/auxiliary/minicore.rs
+++ b/tests/auxiliary/minicore.rs
@@ -16,7 +16,7 @@
 //!
 //! This is partially adapted from `rustc_codegen_cranelift`:
 //! <https://github.com/rust-lang/rust/blob/c0b5cc9003f6464c11ae1c0662c6a7e06f6f5cab/compiler/rustc_codegen_cranelift/example/mini_core.rs>.
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![feature(
     no_core,
diff --git a/tests/codegen-llvm/cast-target-abi.rs b/tests/codegen-llvm/cast-target-abi.rs
index 6f1ab4572ee0d..6f1c652b7bad4 100644
--- a/tests/codegen-llvm/cast-target-abi.rs
+++ b/tests/codegen-llvm/cast-target-abi.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ add-minicore
 //@ revisions:aarch64 loongarch64 powerpc64 sparc64 x86_64
 //@ compile-flags: -Copt-level=3 -Cno-prepopulate-passes -Zlint-llvm-ir
diff --git a/tests/codegen-llvm/debuginfo-dse.rs b/tests/codegen-llvm/debuginfo-dse.rs
index 445777c1f0e04..d8780cca34211 100644
--- a/tests/codegen-llvm/debuginfo-dse.rs
+++ b/tests/codegen-llvm/debuginfo-dse.rs
@@ -2,7 +2,7 @@
 //@ revisions: CODEGEN OPTIMIZED
 //@[CODEGEN] compile-flags: -Cno-prepopulate-passes
 //@ only-64bit
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![crate_type = "lib"]
 #![feature(repr_simd, rustc_attrs)]
diff --git a/tests/codegen-llvm/pauth/pauth-attr-cli-flags.rs b/tests/codegen-llvm/pauth/pauth-attr-cli-flags.rs
new file mode 100644
index 0000000000000..e8e87a9020f58
--- /dev/null
+++ b/tests/codegen-llvm/pauth/pauth-attr-cli-flags.rs
@@ -0,0 +1,127 @@
+// ignore-tidy-linelength
+//@ only-pauthtest
+//@ revisions: DEFAULT ALL DISABLE_JUMP DISABLE_AUTH_TRAPS DISABLE_CALLS DISABLE_INDIRCT_GOTOS DISABLE_RETURNS DISABLE_INTRINSICS DISABLE_TYPEINFO DISABLE_VT_PTR_ADDR DISABLE_VT_PTR_TYPE NONE
+
+//@ add-minicore
+#![crate_type = "lib"]
+#![no_std]
+#![no_core]
+#![feature(no_core)]
+
+extern crate minicore;
+
+//@[DEFAULT] needs-llvm-components: aarch64
+//@[DEFAULT] compile-flags: --target=aarch64-unknown-linux-pauthtest
+//@[ALL] needs-llvm-components: aarch64
+//@[ALL] compile-flags: --target=aarch64-unknown-linux-pauthtest -Zpointer-authentication=+aarch64-jump-table-hardening,+auth-traps,+calls,+indirect-gotos,+return-addresses
+//@[DISABLE_JUMP] needs-llvm-components: aarch64
+//@[DISABLE_JUMP] compile-flags: --target=aarch64-unknown-linux-pauthtest -Zpointer-authentication=-aarch64-jump-table-hardening
+//@[DISABLE_AUTH_TRAPS] needs-llvm-components: aarch64
+//@[DISABLE_AUTH_TRAPS] compile-flags: --target=aarch64-unknown-linux-pauthtest -Zpointer-authentication=-auth-traps
+//@[DISABLE_CALLS] needs-llvm-components: aarch64
+//@[DISABLE_CALLS] compile-flags: --target=aarch64-unknown-linux-pauthtest -Zpointer-authentication=-calls
+//@[DISABLE_INDIRCT_GOTOS] needs-llvm-components: aarch64
+//@[DISABLE_INDIRCT_GOTOS] compile-flags: --target=aarch64-unknown-linux-pauthtest -Zpointer-authentication=-indirect-gotos
+//@[DISABLE_RETURNS] needs-llvm-components: aarch64
+//@[DISABLE_RETURNS] compile-flags: --target=aarch64-unknown-linux-pauthtest -Zpointer-authentication=-return-addresses
+//@[DISABLE_INTRINSICS] needs-llvm-components: aarch64
+//@[DISABLE_INTRINSICS] compile-flags: --target=aarch64-unknown-linux-pauthtest -Zpointer-authentication=-intrinsics
+//@[DISABLE_TYPEINFO] needs-llvm-components: aarch64
+//@[DISABLE_TYPEINFO] compile-flags: --target=aarch64-unknown-linux-pauthtest -Zpointer-authentication=-typeinfo-vt-ptr-discrimination
+//@[DISABLE_VT_PTR_ADDR] needs-llvm-components: aarch64
+//@[DISABLE_VT_PTR_ADDR] compile-flags: --target=aarch64-unknown-linux-pauthtest -Zpointer-authentication=-vt-ptr-addr-discrimination
+//@[DISABLE_VT_PTR_TYPE] needs-llvm-components: aarch64
+//@[DISABLE_VT_PTR_TYPE] compile-flags: --target=aarch64-unknown-linux-pauthtest -Zpointer-authentication=-vt-ptr-type-discrimination
+//@[NONE] needs-llvm-components: aarch64
+//@[NONE] compile-flags: --target=aarch64-unknown-linux-pauthtest  -Zpointer-authentication=-aarch64-jump-table-hardening,-auth-traps,-calls,-indirect-gotos,-return-addresses,-init-fini,-init-fini-address-discrimination,-intrinsics,-typeinfo-vt-ptr-discrimination,-vt-ptr-addr-discrimination,-vt-ptr-type-discrimination
+
+// CHECK: define {{.*}} @{{.*}}main{{.*}} [[ATTR_MAIN:#[0-9]+]]
+#[inline(never)]
+pub fn main() {}
+// DEFAULT: attributes [[ATTR_MAIN]] = { {{.*}}"aarch64-jump-table-hardening"
+// DEFAULT-SAME: "ptrauth-auth-traps"
+// DEFAULT-SAME: "ptrauth-calls"
+// DEFAULT-SAME: "ptrauth-indirect-gotos"
+// DEFAULT-SAME: "ptrauth-returns"
+// DEFAULT: !{i32 1, !"aarch64-elf-pauthabi-platform", i32 268435458}
+// DEFAULT-NEXT: !{i32 1, !"aarch64-elf-pauthabi-version", i32 1791}
+
+// DISABLE_JUMP-NOT: aarch64-jump-table-hardening
+// DISABLE_JUMP: attributes [[ATTR_MAIN]] = { {{.*}}"ptrauth-auth-traps"
+// DISABLE_JUMP-SAME: "ptrauth-calls"
+// DISABLE_JUMP-SAME: "ptrauth-indirect-gotos"
+// DISABLE_JUMP-SAME: "ptrauth-returns"
+// DISABLE_JUMP: !{i32 1, !"aarch64-elf-pauthabi-platform", i32 268435458}
+// DISABLE_JUMP-NEXT: !{i32 1, !"aarch64-elf-pauthabi-version", i32 1791}
+
+// DISABLE_AUTH_TRAPS-NOT: ptrauth-auth-traps
+// DISABLE_AUTH_TRAPS: attributes [[ATTR_MAIN]] = { {{.*}}"aarch64-jump-table-hardening"
+// DISABLE_AUTH_TRAPS-SAME: "ptrauth-calls"
+// DISABLE_AUTH_TRAPS-SAME: "ptrauth-indirect-gotos"
+// DISABLE_AUTH_TRAPS-SAME: "ptrauth-returns"
+// DISABLE_AUTH_TRAPS: !{i32 1, !"aarch64-elf-pauthabi-platform", i32 268435458}
+// DISABLE_AUTH_TRAPS-NEXT !{i32 1, !"aarch64-elf-pauthabi-version", i32 1783}
+
+// DISABLE_CALLS-NOT: ptrauth-calls
+// DISABLE_CALLS: attributes [[ATTR_MAIN]] = { {{.*}}"aarch64-jump-table-hardening"
+// DISABLE_CALLS-SAME: "ptrauth-auth-traps"
+// DISABLE_CALLS-SAME: "ptrauth-indirect-gotos"
+// DISABLE_CALLS-SAME: "ptrauth-returns"
+// DISABLE_CALLS: !{i32 1, !"aarch64-elf-pauthabi-platform", i32 268435458}
+// DISABLE_CALLS-SAME-NEXT: !{i32 1, !"aarch64-elf-pauthabi-version", i32 1789}
+
+// DISABLE_INDIRCT_GOTOS-NOT: ptrauth-indirect-gotos
+// DISABLE_INDIRCT_GOTOS: attributes [[ATTR_MAIN]] = { {{.*}}"aarch64-jump-table-hardening"
+// DISABLE_INDIRCT_GOTOS-SAME: "ptrauth-auth-traps"
+// DISABLE_INDIRCT_GOTOS-SAME: "ptrauth-calls"
+// DISABLE_INDIRCT_GOTOS-SAME: "ptrauth-returns"
+// DISABLE_INDIRCT_GOTOS: !{i32 1, !"aarch64-elf-pauthabi-version", i32 1279}
+// DISABLE_INDIRCT_GOTOS-NEXT: !{i32 1, !"ptrauth-sign-personality", i32 1}
+
+// DISABLE_RETURNS-NOT: ptrauth-returns
+// DISABLE_RETURNS: attributes [[ATTR_MAIN]] = { {{.*}}"aarch64-jump-table-hardening"
+// DISABLE_RETURNS-SAME: "ptrauth-auth-traps"
+// DISABLE_RETURNS-SAME: "ptrauth-calls"
+// DISABLE_RETURNS-SAME: "ptrauth-indirect-gotos"
+// DISABLE_RETURNS: !{i32 1, !"aarch64-elf-pauthabi-platform", i32 268435458}
+// DISABLE_RETURNS-NEXT: !{i32 1, !"aarch64-elf-pauthabi-version", i32 1787}
+
+// DISABLE_INTRINSICS: attributes [[ATTR_MAIN]] = { {{.*}}"aarch64-jump-table-hardening"
+// DISABLE_INTRINSICS-SAME: "ptrauth-auth-traps"
+// DISABLE_INTRINSICS-SAME: "ptrauth-calls"
+// DISABLE_INTRINSICS-SAME: "ptrauth-indirect-gotos"
+// DISABLE_INTRINSICS-SAME: "ptrauth-returns"
+// DISABLE_INTRINSICS: !{i32 1, !"aarch64-elf-pauthabi-platform", i32 268435458}
+// DISABLE_INTRINSICS-NEXT: !{i32 1, !"aarch64-elf-pauthabi-version", i32 1790}
+
+// DISABLE_TYPEINFO: attributes [[ATTR_MAIN]] = { {{.*}}"aarch64-jump-table-hardening"
+// DISABLE_TYPEINFO-SAME: "ptrauth-auth-traps"
+// DISABLE_TYPEINFO-SAME: "ptrauth-calls"
+// DISABLE_TYPEINFO-SAME: "ptrauth-indirect-gotos"
+// DISABLE_TYPEINFO-SAME: "ptrauth-returns"
+// DISABLE_TYPEINFO: !{i32 1, !"aarch64-elf-pauthabi-platform", i32 268435458}
+// DISABLE_TYPEINFO-NEXT: !{i32 1, !"aarch64-elf-pauthabi-version", i32 767}
+
+// DISABLE_VT_PTR_ADDR: attributes [[ATTR_MAIN]] = { {{.*}}"aarch64-jump-table-hardening"
+// DISABLE_VT_PTR_ADDR-SAME: "ptrauth-auth-traps"
+// DISABLE_VT_PTR_ADDR-SAME: "ptrauth-calls"
+// DISABLE_VT_PTR_ADDR-SAME: "ptrauth-indirect-gotos"
+// DISABLE_VT_PTR_ADDR-SAME: "ptrauth-returns"
+// DISABLE_VT_PTR_ADDR: !{i32 1, !"aarch64-elf-pauthabi-platform", i32 268435458}
+// DISABLE_VT_PTR_ADDR-NEXT: !{i32 1, !"aarch64-elf-pauthabi-version", i32 1775}
+
+// DISABLE_VT_PTR_TYPE: attributes [[ATTR_MAIN]] = { {{.*}}"aarch64-jump-table-hardening"
+// DISABLE_VT_PTR_TYPE-SAME: "ptrauth-auth-traps"
+// DISABLE_VT_PTR_TYPE-SAME: "ptrauth-calls"
+// DISABLE_VT_PTR_TYPE-SAME: "ptrauth-indirect-gotos"
+// DISABLE_VT_PTR_TYPE-SAME: "ptrauth-returns"
+// DISABLE_VT_PTR_TYPE: !{i32 1, !"aarch64-elf-pauthabi-platform", i32 268435458}
+// DISABLE_VT_PTR_TYPE-NEXT: !{i32 1, !"aarch64-elf-pauthabi-version", i32 1759}
+
+// NONE-NOT: ptrauth-returns
+// NONE-NOT: aarch64-jump-table-hardening
+// NONE-NOT: ptrauth-auth-traps
+// NONE-NOT: ptrauth-calls
+// NONE-NOT: ptrauth-indirect-gotos
+// NONE-NOT: aarch64-elf-pauthabi-platform
+// NONE-NOT: aarch64-elf-pauthabi-version
diff --git a/tests/codegen-llvm/pauth/pauth-attr-special-funcs.rs b/tests/codegen-llvm/pauth/pauth-attr-special-funcs.rs
index 882cc4c6db971..2751494b9de7a 100644
--- a/tests/codegen-llvm/pauth/pauth-attr-special-funcs.rs
+++ b/tests/codegen-llvm/pauth/pauth-attr-special-funcs.rs
@@ -18,10 +18,10 @@ use std::panic;
 // CHECK-DAG: "ptrauth-returns"
 
 // CHECK: attributes [[ATTR_MAIN]] = { {{.*}}"aarch64-jump-table-hardening"
-// CHECK-DAG: "ptrauth-auth-traps"
-// CHECK-DAG: "ptrauth-calls"
-// CHECK-DAG: "ptrauth-indirect-gotos"
-// CHECK-DAG: "ptrauth-returns"
+// CHECK-SAME: "ptrauth-auth-traps"
+// CHECK-SAME: "ptrauth-calls"
+// CHECK-SAME: "ptrauth-indirect-gotos"
+// CHECK-SAME: "ptrauth-returns"
 fn main() {
     let _ = panic::catch_unwind(|| {
         panic!("BOOM");
diff --git a/tests/codegen-llvm/pauth/pauth-extern-c.rs b/tests/codegen-llvm/pauth/pauth-extern-c.rs
index ac12729f80699..b22cf6943a804 100644
--- a/tests/codegen-llvm/pauth/pauth-extern-c.rs
+++ b/tests/codegen-llvm/pauth/pauth-extern-c.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ only-pauthtest
 //@ add-minicore
 
@@ -9,9 +9,9 @@
 //@ [O3_PAUTH] needs-llvm-components: aarch64
 //@ [O3_PAUTH] compile-flags: --target=aarch64-unknown-linux-pauthtest -C opt-level=3
 //@ [O0_PAUTH-ELF-GOT] needs-llvm-components: aarch64
-//@ [O0_PAUTH-ELF-GOT] compile-flags: --target=aarch64-unknown-linux-pauthtest -C opt-level=0 -Z ptrauth-elf-got
+//@ [O0_PAUTH-ELF-GOT] compile-flags: --target=aarch64-unknown-linux-pauthtest -C opt-level=0 -Z pointer-authentication=+elf-got
 //@ [O3_PAUTH-ELF-GOT] needs-llvm-components: aarch64
-//@ [O3_PAUTH-ELF-GOT] compile-flags: --target=aarch64-unknown-linux-pauthtest -C opt-level=3 -Z ptrauth-elf-got
+//@ [O3_PAUTH-ELF-GOT] compile-flags: --target=aarch64-unknown-linux-pauthtest -C opt-level=3 -Z pointer-authentication=+elf-got
 //@ [O0_NO_PAUTH] needs-llvm-components: aarch64
 //@ [O0_NO_PAUTH] compile-flags: --target=aarch64-unknown-linux-gnu -C opt-level=0
 //@ [O3_NO_PAUTH] needs-llvm-components: aarch64
diff --git a/tests/codegen-llvm/pauth/pauth-init-fini.rs b/tests/codegen-llvm/pauth/pauth-init-fini.rs
index db327644d96cf..d457973b690f2 100644
--- a/tests/codegen-llvm/pauth/pauth-init-fini.rs
+++ b/tests/codegen-llvm/pauth/pauth-init-fini.rs
@@ -1,14 +1,23 @@
 //@ add-minicore
 // ignore-tidy-linelength
 //@ only-pauthtest
-//@ revisions: O0_PAUTH O3_PAUTH
+//@ revisions: O0_PAUTH O3_PAUTH O0_PAUTH-ADDR-DISC O3_PAUTH-ADDR-DISC O0_PAUTH-NO-INIT-FINI O3_PAUTH-NO-INIT-FINI
 
 //@ [O0_PAUTH] needs-llvm-components: aarch64
 //@ [O0_PAUTH] compile-flags: --target=aarch64-unknown-linux-pauthtest -C opt-level=0
+//@ [O0_PAUTH-ADDR-DISC] needs-llvm-components: aarch64
+//@ [O0_PAUTH-ADDR-DISC] compile-flags: --target=aarch64-unknown-linux-pauthtest -C opt-level=0 -Zpointer-authentication=+init-fini-address-discrimination
+//@ [O0_PAUTH-NO-INIT-FINI] needs-llvm-components: aarch64
+//@ [O0_PAUTH-NO-INIT-FINI] compile-flags: --target=aarch64-unknown-linux-pauthtest -C opt-level=0 -Zpointer-authentication=-init-fini
 //@ [O3_PAUTH] needs-llvm-components: aarch64
 //@ [O3_PAUTH] compile-flags: --target=aarch64-unknown-linux-pauthtest -C opt-level=3
+//@ [O3_PAUTH-ADDR-DISC] needs-llvm-components: aarch64
+//@ [O3_PAUTH-ADDR-DISC] compile-flags: --target=aarch64-unknown-linux-pauthtest -C opt-level=3 -Zpointer-authentication=+init-fini-address-discrimination
+//@ [O3_PAUTH-NO-INIT-FINI] needs-llvm-components: aarch64
+//@ [O3_PAUTH-NO-INIT-FINI] compile-flags: --target=aarch64-unknown-linux-pauthtest -C opt-level=0 -Zpointer-authentication=-init-fini
 
-// Make sure that init/fini metadata uses correct discriminator: 0xd9d4/55764
+// Make sure that init/fini metadata uses correct discriminator: 0xd9d4/55764 - ptrauth_string_discriminator("init_fini").
+// And that address discriminator can be enabled.
 
 #![feature(no_core, lang_items)]
 #![no_std]
@@ -20,12 +29,20 @@ use minicore::*;
 
 // O0_PAUTH: @{{[0-9A-Za-z_]+}}GLOBAL_INIT = constant ptr ptrauth (ptr @{{[0-9A-Za-z_]+}}init_fn, i32 0, i64 55764, ptr inttoptr (i64 1 to ptr)), section ".init_array.90"
 // O3_PAUTH: @{{[0-9A-Za-z_]+}}GLOBAL_INIT = constant ptr ptrauth (ptr @{{[0-9A-Za-z_]+}}init_fn, i32 0, i64 55764, ptr inttoptr (i64 1 to ptr)), section ".init_array.90"
+// O0_PAUTH-ADDR-DISC: @{{[0-9A-Za-z_]+}}GLOBAL_INIT = constant ptr ptrauth (ptr @{{[0-9A-Za-z_]+}}init_fn, i32 0, i64 55764, ptr @_RNvCsf7kshQi9mOB_15pauth_init_fini7init_fn), section ".init_array.90"
+// O3_PAUTH-ADDR-DISC: @{{[0-9A-Za-z_]+}}GLOBAL_INIT = constant ptr ptrauth (ptr @{{[0-9A-Za-z_]+}}init_fn, i32 0, i64 55764, ptr @_RNvCsf7kshQi9mOB_15pauth_init_fini7init_fn), section ".init_array.90"
+// O0_PAUTH-NO-INIT-FINI-NOT: @{{[0-9A-Za-z_]+}}GLOBAL_INIT = constant ptr ptrauth
+// O0_PAUTH-NO-INIT-FINI-ADDR-DISC: @{{[0-9A-Za-z_]+}}GLOBAL_INIT = constant ptr ptrauth
 #[used]
 #[link_section = ".init_array.90"]
 static GLOBAL_INIT: extern "C" fn() = init_fn;
 
 // O0_PAUTH: @{{[0-9A-Za-z_]+}}GLOBAL_FINI = constant ptr ptrauth (ptr @{{[0-9A-Za-z_]+}}fini_fn, i32 0, i64 55764, ptr inttoptr (i64 1 to ptr)), section ".fini_array.90"
 // O3_PAUTH: @{{[0-9A-Za-z_]+}}GLOBAL_FINI = constant ptr ptrauth (ptr @{{[0-9A-Za-z_]+}}fini_fn, i32 0, i64 55764, ptr inttoptr (i64 1 to ptr)), section ".fini_array.90"
+// O0_PAUTH-ADDR-DISC: @{{[0-9A-Za-z_]+}}GLOBAL_FINI = constant ptr ptrauth (ptr @{{[0-9A-Za-z_]+}}fini_fn, i32 0, i64 55764, ptr @_RNvCsf7kshQi9mOB_15pauth_init_fini7fini_fn), section ".fini_array.90"
+// O3_PAUTH-ADDR-DISC: @{{[0-9A-Za-z_]+}}GLOBAL_FINI = constant ptr ptrauth (ptr @{{[0-9A-Za-z_]+}}fini_fn, i32 0, i64 55764, ptr @_RNvCsf7kshQi9mOB_15pauth_init_fini7fini_fn), section ".fini_array.90"
+// O0_PAUTH-NO-INIT-FINI-NOT: @{{[0-9A-Za-z_]+}}GLOBAL_FINI = constant ptr ptrauth
+// O3_PAUTH-NO-INIT-FINI-NOT: @{{[0-9A-Za-z_]+}}GLOBAL_FINI = constant ptr ptrauth
 #[used]
 #[link_section = ".fini_array.90"]
 static GLOBAL_FINI: extern "C" fn(i32) = fini_fn;
diff --git a/tests/codegen-llvm/preserve-vec-element-types.rs b/tests/codegen-llvm/preserve-vec-element-types.rs
index bfa45177a9521..50e560412e817 100644
--- a/tests/codegen-llvm/preserve-vec-element-types.rs
+++ b/tests/codegen-llvm/preserve-vec-element-types.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ compile-flags: -Copt-level=3 -Zmerge-functions=disabled --target=aarch64-unknown-linux-gnu
 //@ needs-llvm-components: aarch64
 //@ add-minicore
diff --git a/tests/codegen-llvm/retpoline.rs b/tests/codegen-llvm/retpoline.rs
index 1d063773ef1d3..89313d02db130 100644
--- a/tests/codegen-llvm/retpoline.rs
+++ b/tests/codegen-llvm/retpoline.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 // Test that the
 // `retpoline-external-thunk`, `retpoline-indirect-branches`, `retpoline-indirect-calls`
 // target features are (not) emitted when the `retpoline/retpoline-external-thunk` flag is (not) set.
diff --git a/tests/coverage/long_and_wide.coverage b/tests/coverage/long_and_wide.coverage
index d9bacdf9eed3c..89d52c89596ac 100644
--- a/tests/coverage/long_and_wide.coverage
+++ b/tests/coverage/long_and_wide.coverage
@@ -1,5 +1,5 @@
    LL|       |//@ edition: 2021
-   LL|       |// ignore-tidy-linelength
+   LL|       |// ignore-tidy-file-linelength
    LL|       |
    LL|       |// This file deliberately contains line and column numbers larger than 127,
    LL|       |// to verify that `coverage-dump`'s ULEB128 parser can handle them.
diff --git a/tests/coverage/long_and_wide.rs b/tests/coverage/long_and_wide.rs
index 58dfdd0b20ab9..af15068c9e76f 100644
--- a/tests/coverage/long_and_wide.rs
+++ b/tests/coverage/long_and_wide.rs
@@ -1,5 +1,5 @@
 //@ edition: 2021
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 // This file deliberately contains line and column numbers larger than 127,
 // to verify that `coverage-dump`'s ULEB128 parser can handle them.
diff --git a/tests/crashes/110378.rs b/tests/crashes/110378.rs
index 93de62d413909..4b64b222fffa6 100644
--- a/tests/crashes/110378.rs
+++ b/tests/crashes/110378.rs
@@ -1,5 +1,4 @@
 //@ known-bug: #110378
-// ignore-tidy-linelength
 
 #![feature(generic_const_exprs)]
 
@@ -10,6 +9,7 @@ fn foo<const L: usize>(_a: [u8; L], _b: [u8; L]) -> [u8; L + 1] {
 fn main() {
     let baz = [[0_u8; 1]; 8];
 
+    // ignore-tidy-linelength
     let _: [u8; 4] = foo(foo(foo(baz[0], baz[1]), foo(baz[2], baz[3])), foo(foo(baz[4], baz[5]), foo(baz[6], baz[7])));
     //let _: [u8; 3] = foo(foo(baz[0], baz[1]), foo(baz[2], baz[3]));
 }
diff --git a/tests/crashes/111742.rs b/tests/crashes/111742.rs
index fda2a96836f68..57ba78fafdfe9 100644
--- a/tests/crashes/111742.rs
+++ b/tests/crashes/111742.rs
@@ -1,10 +1,10 @@
 //@ known-bug: #111742
-// ignore-tidy-linelength
 
 #![allow(incomplete_features)]
 #![feature(generic_const_exprs)]
 
 const CONST: u32 = 0;
+// ignore-tidy-linelength
 struct Test<const N: u32, const M: u32 = { CONST/* Must be a const and not a Literal */ }> where [(); N as usize]: , ([u32; N as usize]);
 
 fn main() {
diff --git a/tests/crashes/118603.rs b/tests/crashes/118603.rs
index cde2cf3530571..1a3e3bed59d40 100644
--- a/tests/crashes/118603.rs
+++ b/tests/crashes/118603.rs
@@ -1,6 +1,6 @@
 //@ known-bug: #118603
 //@ compile-flags: -Copt-level=0
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![feature(generic_const_exprs)]
 #[derive(Copy, Clone, Debug, PartialEq, Eq)]
diff --git a/tests/crashes/121575.rs b/tests/crashes/121575.rs
index f0ce26c6f9564..7ebcea9790fc2 100644
--- a/tests/crashes/121575.rs
+++ b/tests/crashes/121575.rs
@@ -1,5 +1,5 @@
 //@ known-bug: #121575
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 #![feature(generic_const_exprs)]
 
 use std::array;
diff --git a/tests/crashes/131762.rs b/tests/crashes/131762.rs
index 4080272226d94..682d24e51e495 100644
--- a/tests/crashes/131762.rs
+++ b/tests/crashes/131762.rs
@@ -1,10 +1,10 @@
 //@ needs-rustc-debug-assertions
 //@ known-bug: #131762
-// ignore-tidy-linelength
 
 #![feature(generic_assert)]
 struct FloatWrapper(f64);
 
 fn main() {
+    // ignore-tidy-linelength
     assert!((0.0 / 0.0 >= 0.0) == (FloatWrapper(0.0 / 0.0) >= FloatWrapper(size_of::<u8>, size_of::<u16>, size_of::<usize> as fn() -> usize)))
 }
diff --git a/tests/incremental/circular-dependencies.rs b/tests/incremental/circular-dependencies.rs
index b60cacc6ed3b9..6f2ec86c4e638 100644
--- a/tests/incremental/circular-dependencies.rs
+++ b/tests/incremental/circular-dependencies.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ revisions: bpass1 bfail2
 //@ edition: 2021
 //@ [bpass1] compile-flags: --crate-type lib --emit dep-info,metadata
diff --git a/tests/incremental/split_debuginfo_mode.rs b/tests/incremental/split_debuginfo_mode.rs
index e3c1f03f5b76a..ba09f35291bb9 100644
--- a/tests/incremental/split_debuginfo_mode.rs
+++ b/tests/incremental/split_debuginfo_mode.rs
@@ -2,7 +2,7 @@
 // We only test on x86_64-unknown-linux-gnu because there all combinations split-debuginfo settings are valid
 // and the test is platform-independent otherwise.
 
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ only-x86_64-unknown-linux-gnu
 //@ revisions:rpass1 rpass2 rpass3 rpass4
 //@ ignore-backends: gcc
diff --git a/tests/pretty/block-comment-wchar.pp b/tests/pretty/block-comment-wchar.pp
index 863fe686d7d4f..1403b3a657bd3 100644
--- a/tests/pretty/block-comment-wchar.pp
+++ b/tests/pretty/block-comment-wchar.pp
@@ -1,8 +1,8 @@
 // This is meant as a test case for Issue 3961.
 //
 // Test via: rustc -Zunpretty normal tests/pretty/block-comment-wchar.rs
-// ignore-tidy-cr
-// ignore-tidy-tab
+// ignore-tidy-file-cr
+// ignore-tidy-file-tab
 //@ pp-exact:block-comment-wchar.pp
 fn f() {
     fn nested() {
diff --git a/tests/pretty/block-comment-wchar.rs b/tests/pretty/block-comment-wchar.rs
index bf58192cd9b76..09feb7275c8f4 100644
--- a/tests/pretty/block-comment-wchar.rs
+++ b/tests/pretty/block-comment-wchar.rs
@@ -1,8 +1,8 @@
 // This is meant as a test case for Issue 3961.
 //
 // Test via: rustc -Zunpretty normal tests/pretty/block-comment-wchar.rs
-// ignore-tidy-cr
-// ignore-tidy-tab
+// ignore-tidy-file-cr
+// ignore-tidy-file-tab
 //@ pp-exact:block-comment-wchar.pp
 fn f() {
     fn nested() {
diff --git a/tests/pretty/issue-74745.rs b/tests/pretty/issue-74745.rs
index b2f10b7586282..2a129175fb198 100644
--- a/tests/pretty/issue-74745.rs
+++ b/tests/pretty/issue-74745.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-trailing-newlines
+// ignore-tidy-file-trailing-newlines
 //@ pretty-compare-only
 
 /*
diff --git a/tests/pretty/tests-are-sorted.pp b/tests/pretty/tests-are-sorted.pp
index 43f9838e68ce9..f49c79f31a5ec 100644
--- a/tests/pretty/tests-are-sorted.pp
+++ b/tests/pretty/tests-are-sorted.pp
@@ -30,6 +30,7 @@
         testfn: test::StaticTestFn(#[coverage(off)] ||
                 test::assert_test_result(m_test())),
     };
+#[rustc_test_entrypoint_marker]
 fn m_test() {}
 
 extern crate test;
@@ -55,6 +56,7 @@
                 test::assert_test_result(z_test())),
     };
 #[ignore = "not yet implemented"]
+#[rustc_test_entrypoint_marker]
 fn z_test() {}
 
 extern crate test;
@@ -79,6 +81,7 @@
         testfn: test::StaticTestFn(#[coverage(off)] ||
                 test::assert_test_result(a_test())),
     };
+#[rustc_test_entrypoint_marker]
 fn a_test() {}
 #[rustc_main]
 #[coverage(off)]
diff --git a/tests/run-make-cargo/x86_64-fortanix-unknown-sgx-lvi/rmake.rs b/tests/run-make-cargo/x86_64-fortanix-unknown-sgx-lvi/rmake.rs
index 89754cdaf905c..273f69d2a8f8f 100644
--- a/tests/run-make-cargo/x86_64-fortanix-unknown-sgx-lvi/rmake.rs
+++ b/tests/run-make-cargo/x86_64-fortanix-unknown-sgx-lvi/rmake.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 // Reason: intel.com link
 
 // This security test checks that the disassembled form of certain symbols
diff --git a/tests/run-make/branch-protection-check-IBT/rmake.rs b/tests/run-make/branch-protection-check-IBT/rmake.rs
index 34f0693562c0b..2ec6a6bcbdaa8 100644
--- a/tests/run-make/branch-protection-check-IBT/rmake.rs
+++ b/tests/run-make/branch-protection-check-IBT/rmake.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //! A basic smoke test to check for GNU Property Note to see that for `x86_64` targets when [`-Z
 //! cf-protection=branch`][intel-cet-tracking-issue] is requested, that the
 //!
diff --git a/tests/run-make/cross-lang-lto-riscv-abi/rmake.rs b/tests/run-make/cross-lang-lto-riscv-abi/rmake.rs
index e595dbea94d61..ed157f29e74f2 100644
--- a/tests/run-make/cross-lang-lto-riscv-abi/rmake.rs
+++ b/tests/run-make/cross-lang-lto-riscv-abi/rmake.rs
@@ -3,8 +3,6 @@
 //@ needs-force-clang-based-tests
 //@ needs-llvm-components: riscv
 
-// ignore-tidy-linelength
-
 use object::elf;
 use object::read::elf as readelf;
 use run_make_support::{bin_name, clang, object, rfs, rustc};
@@ -48,6 +46,7 @@ fn check_target<H: readelf::FileHeader<Endian = object::Endianness>>(
     // Check `(e_flags & EF_RISCV_FLOAT_ABI) == EF_RISCV_FLOAT_ABI_DOUBLE`.
     //
     // See
+    // ignore-tidy-linelength
     // <https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/master/riscv-elf.adoc#elf-object-files>.
     if is_double_float {
         assert_eq!(
diff --git a/tests/run-make/jobserver-error/rmake.rs b/tests/run-make/jobserver-error/rmake.rs
index 14ee24c714882..265eec7190d4e 100644
--- a/tests/run-make/jobserver-error/rmake.rs
+++ b/tests/run-make/jobserver-error/rmake.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //! If the environment variables contain an invalid `jobserver-auth`, this used to cause an ICE
 //! until this was fixed in [do not panic on failure to acquire jobserver token
 //! #109694](https://github.com/rust-lang/rust/pull/109694).
diff --git a/tests/run-make/lto-avoid-object-duplication/rmake.rs b/tests/run-make/lto-avoid-object-duplication/rmake.rs
index 394aed2b881f9..58784b25545c6 100644
--- a/tests/run-make/lto-avoid-object-duplication/rmake.rs
+++ b/tests/run-make/lto-avoid-object-duplication/rmake.rs
@@ -1,4 +1,5 @@
-// ignore-tidy-tab
+// ignore-tidy-file-tab
+//
 // Staticlibs don't include Rust object files from upstream crates if the same
 // code was already pulled into the lib via LTO. However, the bug described in
 // https://github.com/rust-lang/rust/issues/64153 lead to this exclusion not
diff --git a/tests/run-make/lto-long-filenames/rmake.rs b/tests/run-make/lto-long-filenames/rmake.rs
index 98ce54e5efc82..f09e427099199 100644
--- a/tests/run-make/lto-long-filenames/rmake.rs
+++ b/tests/run-make/lto-long-filenames/rmake.rs
@@ -1,6 +1,6 @@
 // This file has very long lines, but there is no way to avoid it as we are testing
 // long crate names. so:
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 // A variant of the smoke test to check that link time optimization
 // (LTO) is accepted by the compiler, and that
@@ -12,6 +12,7 @@
 use run_make_support::{rfs, rustc};
 
 // This test make sure we don't get such following error:
+// ignore-tidy-linelength
 // error: could not write output to generated_large_large_large_large_large_large_large_large_large_large_large_large_large_large_large_large_large_crate_name.generated_large_large_large_large_large_large_large_large_large_large_large_large_large_large_large_large_large_crate_name.9384edb61bfd127c-cgu.0.rcgu.o: File name too long
 // as reported in issue #49914
 fn main() {
diff --git a/tests/run-make/macos-deployment-target-warning/rmake.rs b/tests/run-make/macos-deployment-target-warning/rmake.rs
index 5c9463b6e3926..6aab525a7c8a4 100644
--- a/tests/run-make/macos-deployment-target-warning/rmake.rs
+++ b/tests/run-make/macos-deployment-target-warning/rmake.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //! Tests that deployment target linker warnings are shown as `linker-info`, not `linker-messages`
 //! See <https://github.com/rust-lang/rust/issues/156714>
 
diff --git a/tests/run-make/output-filename-conflicts-with-directory/rmake.rs b/tests/run-make/output-filename-conflicts-with-directory/rmake.rs
index e49b5005fa066..ad8b2502b6eef 100644
--- a/tests/run-make/output-filename-conflicts-with-directory/rmake.rs
+++ b/tests/run-make/output-filename-conflicts-with-directory/rmake.rs
@@ -1,4 +1,3 @@
-// ignore-tidy-linelength
 // When the compiled executable would conflict with a directory, a
 // rustc error should be displayed instead of a verbose and
 // potentially-confusing linker error.
@@ -9,6 +8,7 @@ use run_make_support::{rfs, rustc};
 fn main() {
     rfs::create_dir("foo");
     rustc().input("foo.rs").output("foo").run_fail().assert_stderr_contains(
+        // ignore-tidy-linelength
         r#"the generated executable for the input file "foo.rs" conflicts with the existing directory "foo""#,
     );
 }
diff --git a/tests/run-make/pauth-static-link-warning/rmake.rs b/tests/run-make/pauth-static-link-warning/rmake.rs
index 8d4fb18fe33f9..3f445bf8ed5ad 100644
--- a/tests/run-make/pauth-static-link-warning/rmake.rs
+++ b/tests/run-make/pauth-static-link-warning/rmake.rs
@@ -3,7 +3,7 @@
 // invocations.
 
 //@ only-pauthtest
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 use run_make_support::{cc, env_var, regex, run, rustc};
 
diff --git a/tests/run-make/reproducible-build-2/reproducible-build.rs b/tests/run-make/reproducible-build-2/reproducible-build.rs
index 849b3d510af81..2965cb5d530cc 100644
--- a/tests/run-make/reproducible-build-2/reproducible-build.rs
+++ b/tests/run-make/reproducible-build-2/reproducible-build.rs
@@ -18,7 +18,7 @@
 // - Trait object shims
 // - Fn Pointer shims
 
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![allow(dead_code, warnings)]
 
diff --git a/tests/run-make/reproducible-build/reproducible-build.rs b/tests/run-make/reproducible-build/reproducible-build.rs
index 849b3d510af81..2965cb5d530cc 100644
--- a/tests/run-make/reproducible-build/reproducible-build.rs
+++ b/tests/run-make/reproducible-build/reproducible-build.rs
@@ -18,7 +18,7 @@
 // - Trait object shims
 // - Fn Pointer shims
 
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![allow(dead_code, warnings)]
 
diff --git a/tests/run-make/split-debuginfo/rmake.rs b/tests/run-make/split-debuginfo/rmake.rs
index 0d311607a11a4..9f06c8c06a77a 100644
--- a/tests/run-make/split-debuginfo/rmake.rs
+++ b/tests/run-make/split-debuginfo/rmake.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //! Basic smoke tests for behavior of `-C split-debuginfo` and the combined behavior when used in
 //! conjunction with other flags such as:
 //!
diff --git a/tests/run-make/windows-gnu-corrupt-drective/fake-linker.rs b/tests/run-make/windows-gnu-corrupt-drective/fake-linker.rs
index 63bcc41904c4e..ea8d6d0a45ad1 100644
--- a/tests/run-make/windows-gnu-corrupt-drective/fake-linker.rs
+++ b/tests/run-make/windows-gnu-corrupt-drective/fake-linker.rs
@@ -1,7 +1,6 @@
-// ignore-tidy-linelength
-
 fn main() {
     println!(
+        // ignore-tidy-linelength
         "Warning: .drectve `-exclude-symbols:_ZN28windows_gnu_corrupt_drective4main17h291ed884c1aada69E ' unrecognized"
     );
     println!("Warning: corrupt .drectve at end of def file");
diff --git a/tests/rustdoc-gui/search-corrections.goml b/tests/rustdoc-gui/search-corrections.goml
index a14a80f357c19..fe8f023db0786 100644
--- a/tests/rustdoc-gui/search-corrections.goml
+++ b/tests/rustdoc-gui/search-corrections.goml
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 include: "utils.goml"
 
 // Checks that the search tab result tell the user about corrections
diff --git a/tests/rustdoc-gui/search-result-impl-disambiguation.goml b/tests/rustdoc-gui/search-result-impl-disambiguation.goml
index e39b90a735ec1..aefdfff214dc6 100644
--- a/tests/rustdoc-gui/search-result-impl-disambiguation.goml
+++ b/tests/rustdoc-gui/search-result-impl-disambiguation.goml
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 include: "utils.goml"
 
 // Checks that, if a type has two methods with the same name, they both get
diff --git a/tests/rustdoc-gui/src/lib2/lib.rs b/tests/rustdoc-gui/src/lib2/lib.rs
index 1367b17b37b2f..28dfa56ea1ad4 100644
--- a/tests/rustdoc-gui/src/lib2/lib.rs
+++ b/tests/rustdoc-gui/src/lib2/lib.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![feature(doc_cfg)]
 #![feature(negative_impls)]
diff --git a/tests/rustdoc-gui/src/scrape_examples/examples/check-many-2.rs b/tests/rustdoc-gui/src/scrape_examples/examples/check-many-2.rs
index c9fdf68d3be0c..6d53227200477 100644
--- a/tests/rustdoc-gui/src/scrape_examples/examples/check-many-2.rs
+++ b/tests/rustdoc-gui/src/scrape_examples/examples/check-many-2.rs
@@ -1,5 +1,5 @@
+// ignore-tidy-file-linelength
 fn main() {
-    // ignore-tidy-linelength
     scrape_examples::test_many(); /* Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. */
     scrape_examples::test_many(); /* Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. */
     scrape_examples::test_many(); /* Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. */
diff --git a/tests/rustdoc-gui/src/scrape_examples/examples/check-many-3.rs b/tests/rustdoc-gui/src/scrape_examples/examples/check-many-3.rs
index c9fdf68d3be0c..ee458ac0e2a3c 100644
--- a/tests/rustdoc-gui/src/scrape_examples/examples/check-many-3.rs
+++ b/tests/rustdoc-gui/src/scrape_examples/examples/check-many-3.rs
@@ -1,5 +1,6 @@
+// ignore-tidy-file-linelength
+
 fn main() {
-    // ignore-tidy-linelength
     scrape_examples::test_many(); /* Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. */
     scrape_examples::test_many(); /* Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. */
     scrape_examples::test_many(); /* Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. */
diff --git a/tests/rustdoc-gui/src/test_docs/lib.rs b/tests/rustdoc-gui/src/test_docs/lib.rs
index 49ac8bd31a49e..bfdbe65f147f4 100644
--- a/tests/rustdoc-gui/src/test_docs/lib.rs
+++ b/tests/rustdoc-gui/src/test_docs/lib.rs
@@ -1,3 +1,5 @@
+// ignore-tidy-file-linelength
+//
 //@ compile-flags: --enable-index-page -Z unstable-options
 //! The point of this crate is to be able to have enough different "kinds" of
 //! documentation generated so we can test each different features.
@@ -701,7 +703,6 @@ impl ImplDoc {
     pub fn bar2() {}
 }
 
-// ignore-tidy-linelength
 /// | this::is::a::kinda::very::long::header::number::one | this::is::a::kinda::very::long::header::number::two | this::is::a::kinda::very::long::header::number::three |
 /// |-|-|-|
 /// | bla | bli | blob |
diff --git a/tests/rustdoc-gui/type-declation-overflow.goml b/tests/rustdoc-gui/type-declation-overflow.goml
index e53d7f00d9314..bd1cd77bb23c8 100644
--- a/tests/rustdoc-gui/type-declation-overflow.goml
+++ b/tests/rustdoc-gui/type-declation-overflow.goml
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 // This test ensures that the items declaration content overflow is handled inside the <pre> directly.
 
 // We need to disable this check because
diff --git a/tests/rustdoc-html/assoc/normalize-assoc-item.rs b/tests/rustdoc-html/assoc/normalize-assoc-item.rs
index 7ef9d3067e145..ddb1cc1a6e1d6 100644
--- a/tests/rustdoc-html/assoc/normalize-assoc-item.rs
+++ b/tests/rustdoc-html/assoc/normalize-assoc-item.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ aux-build:normalize-assoc-item.rs
 //@ build-aux-docs
 //@ compile-flags:-Znormalize-docs
diff --git a/tests/rustdoc-html/decl-line-wrapping-empty-arg-list.rs b/tests/rustdoc-html/decl-line-wrapping-empty-arg-list.rs
index 635c7762a5313..84930c8d623a0 100644
--- a/tests/rustdoc-html/decl-line-wrapping-empty-arg-list.rs
+++ b/tests/rustdoc-html/decl-line-wrapping-empty-arg-list.rs
@@ -1,7 +1,7 @@
 // Ensure that we don't add an extra line containing nothing but whitespace in between the two
 // parentheses of an empty argument list when line-wrapping a function declaration.
 
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 pub struct Padding00000000000000000000000000000000000000000000000000000000000000000000000000000000;
 
diff --git a/tests/rustdoc-html/doc-cfg/impl-foreign-type.rs b/tests/rustdoc-html/doc-cfg/impl-foreign-type.rs
index e4697c5b8dbef..81af598a55361 100644
--- a/tests/rustdoc-html/doc-cfg/impl-foreign-type.rs
+++ b/tests/rustdoc-html/doc-cfg/impl-foreign-type.rs
@@ -1,7 +1,7 @@
 // This test ensures that the `doc_cfg` feature works on foreign types impl.
 // Regression test for <https://github.com/rust-lang/rust/issues/150268>.
 
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![feature(doc_cfg)]
 #![crate_name = "foo"]
diff --git a/tests/rustdoc-html/doc-cfg/reexports.rs b/tests/rustdoc-html/doc-cfg/reexports.rs
index b954731b88222..a5f54155ab2d4 100644
--- a/tests/rustdoc-html/doc-cfg/reexports.rs
+++ b/tests/rustdoc-html/doc-cfg/reexports.rs
@@ -1,7 +1,7 @@
 // This test ensures that reexports cfgs are correctly computed.
 // Regression test for <https://github.com/rust-lang/rust/issues/150268>.
 
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![feature(doc_cfg)]
 #![crate_name = "foo"]
diff --git a/tests/rustdoc-html/extremely_long_typename.rs b/tests/rustdoc-html/extremely_long_typename.rs
index a87c61e38bd86..2a0c4263ff4d5 100644
--- a/tests/rustdoc-html/extremely_long_typename.rs
+++ b/tests/rustdoc-html/extremely_long_typename.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 // Make sure that, if an extremely long type name is named,
 // the item table has it line wrapped.
 // There should be some reasonably-placed `<wbr>` tags in the snapshot file.
diff --git a/tests/rustdoc-html/inline_cross/auxiliary/dyn_trait.rs b/tests/rustdoc-html/inline_cross/auxiliary/dyn_trait.rs
index df88530071be7..07a95af7b54e8 100644
--- a/tests/rustdoc-html/inline_cross/auxiliary/dyn_trait.rs
+++ b/tests/rustdoc-html/inline_cross/auxiliary/dyn_trait.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 pub type Ty0 = dyn for<'any> FnOnce(&'any str) -> bool;
 
diff --git a/tests/rustdoc-html/intra-doc/generic-params.rs b/tests/rustdoc-html/intra-doc/generic-params.rs
index 64e13c2e3cabd..a33ffb3e3d0d5 100644
--- a/tests/rustdoc-html/intra-doc/generic-params.rs
+++ b/tests/rustdoc-html/intra-doc/generic-params.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![crate_name = "foo"]
 #![allow(rustdoc::redundant_explicit_links)]
diff --git a/tests/rustdoc-html/task-lists.rs b/tests/rustdoc-html/task-lists.rs
index f32bac89a65a0..273da96f976cc 100644
--- a/tests/rustdoc-html/task-lists.rs
+++ b/tests/rustdoc-html/task-lists.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 // FIXME: this doesn't test as much as I'd like; ideally it would have these query too:
   // has task_lists/index.html '//li/input[@type="checkbox" and disabled]/following-sibling::text()' 'a'
   // has task_lists/index.html '//li/input[@type="checkbox"]/following-sibling::text()' 'b'
diff --git a/tests/rustdoc-js-std/parser-separators.js b/tests/rustdoc-js-std/parser-separators.js
index 2f41211d78310..5db7a4becdbdd 100644
--- a/tests/rustdoc-js-std/parser-separators.js
+++ b/tests/rustdoc-js-std/parser-separators.js
@@ -1,4 +1,4 @@
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 
 const PARSED = [
     {
diff --git a/tests/rustdoc-js-std/simd-type-signatures.js b/tests/rustdoc-js-std/simd-type-signatures.js
index fea34ff97f21f..d9ea723a152dc 100644
--- a/tests/rustdoc-js-std/simd-type-signatures.js
+++ b/tests/rustdoc-js-std/simd-type-signatures.js
@@ -1,6 +1,6 @@
 // exact-check
 // ignore-order
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 // This test case verifies that the href points at the correct impl
 
diff --git a/tests/rustdoc-js/path-substring.js b/tests/rustdoc-js/path-substring.js
index 86529e4f100c9..8365d613880fc 100644
--- a/tests/rustdoc-js/path-substring.js
+++ b/tests/rustdoc-js/path-substring.js
@@ -1,5 +1,5 @@
 // exact-check
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 const EXPECTED = [
     // should match (substring)
     {
diff --git a/tests/rustdoc-js/search-method-disambiguate.js b/tests/rustdoc-js/search-method-disambiguate.js
index 70aa895f99458..9013b387417e0 100644
--- a/tests/rustdoc-js/search-method-disambiguate.js
+++ b/tests/rustdoc-js/search-method-disambiguate.js
@@ -1,6 +1,6 @@
 // exact-check
 // ignore-order
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 const FILTER_CRATE = "search_method_disambiguate";
 
diff --git a/tests/rustdoc-js/summaries.js b/tests/rustdoc-js/summaries.js
index ae3aefb0c48a0..c750afb48c7c2 100644
--- a/tests/rustdoc-js/summaries.js
+++ b/tests/rustdoc-js/summaries.js
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 const EXPECTED = [
     {
diff --git a/tests/rustdoc-ui/intra-doc/warning-crlf.rs b/tests/rustdoc-ui/intra-doc/warning-crlf.rs
index 9d3a4673c9d01..ab6b9ccbc2683 100644
--- a/tests/rustdoc-ui/intra-doc/warning-crlf.rs
+++ b/tests/rustdoc-ui/intra-doc/warning-crlf.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-cr
+// ignore-tidy-file-cr
 //@ check-pass
 
 // This file checks the spans of intra-link warnings in a file with CRLF line endings. The
diff --git a/tests/rustdoc-ui/issues/issue-83883-describe-lints.rs b/tests/rustdoc-ui/issues/issue-83883-describe-lints.rs
index 62a0942df1b17..27913fd48a967 100644
--- a/tests/rustdoc-ui/issues/issue-83883-describe-lints.rs
+++ b/tests/rustdoc-ui/issues/issue-83883-describe-lints.rs
@@ -2,7 +2,7 @@
 //@ check-pass
 //@ check-stdout
 //
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //
 //@ normalize-stdout: "( +name  default  meaning\n +----  -------  -------\n)?( *[[:word:]:-]+  (allow  |warn   |deny   |forbid )  [^\n]+\n)+" -> "    $$NAMES  $$LEVELS  $$MEANINGS"
 //@ normalize-stdout: " +name  sub-lints\n +----  ---------\n( *[[:word:]:-]+  [^\n]+\n)+" -> "    $$NAMES  $$SUB_LINTS"
diff --git a/tests/ui-fulldeps/obtain-borrowck.rs b/tests/ui-fulldeps/obtain-borrowck.rs
index 46ed23b58ac94..d4a74d3b7dec8 100644
--- a/tests/ui-fulldeps/obtain-borrowck.rs
+++ b/tests/ui-fulldeps/obtain-borrowck.rs
@@ -1,9 +1,9 @@
 //@ edition: 2021
 //@ run-pass
 //@ check-run-results
+// ignore-tidy-linelength
 //@ run-flags: --sysroot {{sysroot-base}} --edition=2021 {{src-base}}/auxiliary/obtain-borrowck-input.rs
 //@ ignore-stage1 (requires matching sysroot built with in-tree compiler)
-// ignore-tidy-linelength
 
 #![feature(rustc_private)]
 
diff --git a/tests/ui-fulldeps/rustc_public/check_def_parent.rs b/tests/ui-fulldeps/rustc_public/check_def_parent.rs
index 7f633a627b194..efae768400dd0 100644
--- a/tests/ui-fulldeps/rustc_public/check_def_parent.rs
+++ b/tests/ui-fulldeps/rustc_public/check_def_parent.rs
@@ -6,7 +6,7 @@
 //@ ignore-cross-compile
 //@ ignore-remote
 //@ edition: 2024
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![feature(rustc_private)]
 
diff --git a/tests/ui-fulldeps/test_entrypoint_attrs.rs b/tests/ui-fulldeps/test_entrypoint_attrs.rs
new file mode 100644
index 0000000000000..dac7406337c57
--- /dev/null
+++ b/tests/ui-fulldeps/test_entrypoint_attrs.rs
@@ -0,0 +1,84 @@
+//@ run-pass
+//@ ignore-cross-compile
+//@ ignore-remote
+//@ edition: 2024
+//@ ignore-stage1
+//! Uses a rustc driver to check that test entrypoints get a `#[rustc_test_entrypoint_marker]`
+//! and can be found using that attribute in rustc drivers (the main use for this attribute).
+
+#![feature(rustc_private)]
+
+extern crate rustc_driver;
+extern crate rustc_interface;
+extern crate rustc_middle;
+#[macro_use]
+extern crate rustc_hir;
+
+use interface::Compiler;
+use rustc_driver::Compilation;
+use rustc_interface::interface;
+use rustc_middle::ty::TyCtxt;
+use std::io::Write;
+
+const CRATE_NAME: &str = "input";
+
+struct TestAttr {
+    expected_tests: usize,
+}
+
+impl rustc_driver::Callbacks for TestAttr {
+    fn after_analysis<'tcx>(&mut self, _compiler: &Compiler, tcx: TyCtxt<'tcx>) -> Compilation {
+        let mut tests = Vec::new();
+        for did in tcx.hir_crate_items(()).definitions() {
+            if find_attr!(tcx, did, RustcTestEntrypointMarker) {
+                tests.push(did);
+            }
+        }
+
+        // the file contains one test, so we should find one entrypoint marker.
+        assert_eq!(tests.len(), self.expected_tests);
+
+        Compilation::Stop
+    }
+}
+
+fn count_tests(src: &str, expected_tests: usize) {
+    let path = "test_input.rs";
+    let mut file = std::fs::File::create(path).unwrap();
+    file.write_all(src.as_bytes()).unwrap();
+
+    let args = [
+        "rustc".to_string(),
+        "--test".to_string(),
+        "--crate-type=lib".to_string(),
+        "--crate-name".to_string(),
+        CRATE_NAME.to_string(),
+        path.to_string(),
+    ];
+    rustc_driver::catch_fatal_errors(|| -> interface::Result<()> {
+        rustc_driver::run_compiler(&args, &mut TestAttr { expected_tests });
+        Ok(())
+    })
+    .unwrap()
+    .unwrap();
+}
+
+fn main() {
+    count_tests(
+        r#"
+        #[test]
+        fn meow() {{ }}
+        "#,
+        1,
+    );
+    count_tests(
+        r#"
+        #[test]
+        fn one() {{ }}
+
+        #[test]
+        fn two() {{ }}
+        "#,
+        2,
+    );
+}
diff --git a/tests/ui/README.md b/tests/ui/README.md
index 85a5e6e0cbe1c..0a7dd5c2cd033 100644
--- a/tests/ui/README.md
+++ b/tests/ui/README.md
@@ -1083,6 +1083,10 @@ See [Tracking issue for pin ergonomics #130494](https://github.com/rust-lang/rus
 
 See [`std::pin`](https://doc.rust-lang.org/std/pin/).
 
+## `tests/ui/pointer_authentication/`
+
+Tests for `-Zpointer-authentication` compiler flag.
+
 ## `tests/ui/precondition-checks/`
 
 Exercises on some unsafe precondition checks.
diff --git a/tests/ui/abi/riscv-discoverability-guidance.rs b/tests/ui/abi/riscv-discoverability-guidance.rs
index 84a8f7bda5d99..a191b70fdec67 100644
--- a/tests/ui/abi/riscv-discoverability-guidance.rs
+++ b/tests/ui/abi/riscv-discoverability-guidance.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ add-minicore
 //@ revisions: riscv32 riscv64
 //
diff --git a/tests/ui/allow-partial-mitigations/err-allow-partial-mitigations-1-error.rs b/tests/ui/allow-partial-mitigations/err-allow-partial-mitigations-1-error.rs
index f4c5e56da53cb..09fe013cfdd34 100644
--- a/tests/ui/allow-partial-mitigations/err-allow-partial-mitigations-1-error.rs
+++ b/tests/ui/allow-partial-mitigations/err-allow-partial-mitigations-1-error.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ revisions: stack-protector-future stack-protector-future-explicit-deny stack-protector-future-deny-reset-by-mitigation stack-protector-allow-then-deny stack-protector-but-allow-control-flow-guard control-flow-guard-future-allow-reset-by-mitigation stack-protector-future-allow-reset-by-mitigation stack-protector-future-deny-allow-reset-by-mitigation
 //@ check-fail
 //@ ignore-nvptx64 stack protector is not supported
diff --git a/tests/ui/allow-partial-mitigations/err-allow-partial-mitigations-2-errors.rs b/tests/ui/allow-partial-mitigations/err-allow-partial-mitigations-2-errors.rs
index a1c7eba08ebec..3424ed2a8dd9c 100644
--- a/tests/ui/allow-partial-mitigations/err-allow-partial-mitigations-2-errors.rs
+++ b/tests/ui/allow-partial-mitigations/err-allow-partial-mitigations-2-errors.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ revisions: both enable-separately-disable-together enable-together-disable-separately
 //@ check-fail
 //@ ignore-nvptx64 stack protector is not supported
diff --git a/tests/ui/allow-partial-mitigations/err-allow-partial-mitigations-current-edition.rs b/tests/ui/allow-partial-mitigations/err-allow-partial-mitigations-current-edition.rs
index fd3ff94923539..a9dc29290d7b4 100644
--- a/tests/ui/allow-partial-mitigations/err-allow-partial-mitigations-current-edition.rs
+++ b/tests/ui/allow-partial-mitigations/err-allow-partial-mitigations-current-edition.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ revisions: control-flow-2024-explicit-deny
 //@ check-fail
 //@ ignore-nvptx64 stack protector is not supported
diff --git a/tests/ui/allow-partial-mitigations/ok-allow-partial-mitigations-current-edition.rs b/tests/ui/allow-partial-mitigations/ok-allow-partial-mitigations-current-edition.rs
index dddad265aff4a..0c34633d9ea17 100644
--- a/tests/ui/allow-partial-mitigations/ok-allow-partial-mitigations-current-edition.rs
+++ b/tests/ui/allow-partial-mitigations/ok-allow-partial-mitigations-current-edition.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ revisions: control-flow-guard-2024-default control-flow-guard-2024-deny-reset-by-mitigation stack-protector-2024-deny-reset-by-mitigation stack-protector-2024-allow-deny-reset-by-mitigation
 //@ check-pass
 //@ ignore-nvptx64 stack protector is not supported
diff --git a/tests/ui/allow-partial-mitigations/ok-allow-partial-mitigations.rs b/tests/ui/allow-partial-mitigations/ok-allow-partial-mitigations.rs
index f9f013e44cc62..f2c4477eef396 100644
--- a/tests/ui/allow-partial-mitigations/ok-allow-partial-mitigations.rs
+++ b/tests/ui/allow-partial-mitigations/ok-allow-partial-mitigations.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ revisions: stack-protector-explicit-allow stack-protector-and-control-flow-guard-explicit-allow stack-protector-deny-then-allow
 //@ check-pass
 //@ edition:future
diff --git a/tests/ui/asm/powerpc/bad-reg.rs b/tests/ui/asm/powerpc/bad-reg.rs
index c06dcf668d1b6..20a2b65e2f50d 100644
--- a/tests/ui/asm/powerpc/bad-reg.rs
+++ b/tests/ui/asm/powerpc/bad-reg.rs
@@ -11,7 +11,7 @@
 //@[powerpcspe] compile-flags: --target powerpc-unknown-linux-gnuspe
 //@[powerpcspe] needs-llvm-components: powerpc
 //@ ignore-backends: gcc
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![crate_type = "rlib"]
 #![feature(no_core, repr_simd, asm_experimental_arch)]
diff --git a/tests/ui/associated-types/object-normalization.rs b/tests/ui/associated-types/object-normalization.rs
index 658905995a07f..a3e7e402343f3 100644
--- a/tests/ui/associated-types/object-normalization.rs
+++ b/tests/ui/associated-types/object-normalization.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 // Check that we normalize super predicates for object candidates.
 
diff --git a/tests/ui/backtrace/dylib-dep.rs b/tests/ui/backtrace/dylib-dep.rs
index cf420ec8d0697..f3d0d2e6a76db 100644
--- a/tests/ui/backtrace/dylib-dep.rs
+++ b/tests/ui/backtrace/dylib-dep.rs
@@ -1,9 +1,10 @@
+// ignore-tidy-file-linelength
+//
 // Check that backtrace info is correctly generated for dynamic libraries and is usable by a
 // rust binary.
 // Part of porting some backtrace tests to rustc: <https://github.com/rust-lang/rust/issues/122899>.
 // Original test:
 // <https://github.com/rust-lang/backtrace-rs/tree/6fa4b85b9962c3e1be8c2e5cc605cd078134152b/crates/dylib-dep>
-// ignore-tidy-linelength
 //@ ignore-android FIXME #17520
 //@ ignore-fuchsia Backtraces not symbolized
 //@ ignore-musl musl doesn't support dynamic libraries (at least when the original test was written).
diff --git a/tests/ui/backtrace/line-tables-only.rs b/tests/ui/backtrace/line-tables-only.rs
index b3ae8a1971b98..7aa3dd8dee433 100644
--- a/tests/ui/backtrace/line-tables-only.rs
+++ b/tests/ui/backtrace/line-tables-only.rs
@@ -1,3 +1,5 @@
+// ignore-tidy-file-linelength
+//
 // Test that when debug info only includes line tables that backtrace is still generated
 // successfully.
 // Original test:
@@ -5,7 +7,6 @@
 // Part of <https://github.com/rust-lang/rust/issues/122899> porting some backtrace tests to rustc.
 // This test diverges from the original test in that it now uses a Rust library auxiliary because
 // rustc now has `-Cdebuginfo=line-tables-only`.
-// ignore-tidy-linelength
 //@ run-pass
 //@ compile-flags: -Cstrip=none -Cdebuginfo=line-tables-only
 //@ ignore-android FIXME #17520
diff --git a/tests/ui/cfg/disallowed-cli-cfgs.rs b/tests/ui/cfg/disallowed-cli-cfgs.rs
index 8697f5a747e18..141191825755b 100644
--- a/tests/ui/cfg/disallowed-cli-cfgs.rs
+++ b/tests/ui/cfg/disallowed-cli-cfgs.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength (target_has_atomic_primitive_alignment below overflows the linelength limit and  @ [revision]compile-flags isn't detected by tidy as something to ignore)
+// ignore-tidy-file-linelength (target_has_atomic_primitive_alignment below overflows the linelength limit and  @ [revision]compile-flags isn't detected by tidy as something to ignore)
 
 //@ check-fail
 //@ revisions: overflow_checks_ debug_assertions_ ub_checks_ sanitize_
diff --git a/tests/ui/codegen/normalization-overflow/recursion-issue-122823.rs b/tests/ui/codegen/normalization-overflow/recursion-issue-122823.rs
index 9df8e7f28386f..1dd893ffd5eb8 100644
--- a/tests/ui/codegen/normalization-overflow/recursion-issue-122823.rs
+++ b/tests/ui/codegen/normalization-overflow/recursion-issue-122823.rs
@@ -1,6 +1,6 @@
 //@ build-fail
 //@ compile-flags: -Copt-level=0
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 use std::vec::Vec;
 use std::iter::Peekable;
diff --git a/tests/ui/codegen/normalization-overflow/recursion-issue-92004.rs b/tests/ui/codegen/normalization-overflow/recursion-issue-92004.rs
index 949359cfa4238..e23819e50a886 100644
--- a/tests/ui/codegen/normalization-overflow/recursion-issue-92004.rs
+++ b/tests/ui/codegen/normalization-overflow/recursion-issue-92004.rs
@@ -1,7 +1,7 @@
 //@ build-fail
 //@ compile-flags: -Copt-level=0
 //@ edition:2021
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 use std::vec::Vec;
 use std::iter::Peekable;
diff --git a/tests/ui/codemap_tests/tab.rs b/tests/ui/codemap_tests/tab.rs
index 64569f2e72b1e..b7ead79050cfe 100644
--- a/tests/ui/codemap_tests/tab.rs
+++ b/tests/ui/codemap_tests/tab.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 
 fn main() {
 	bar; //~ ERROR cannot find value `bar`
diff --git a/tests/ui/codemap_tests/tab_2.rs b/tests/ui/codemap_tests/tab_2.rs
index 644697c3239aa..dc879f058b79d 100644
--- a/tests/ui/codemap_tests/tab_2.rs
+++ b/tests/ui/codemap_tests/tab_2.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 
 fn main() {
 				"""; //~ ERROR unterminated double quote
diff --git a/tests/ui/codemap_tests/tab_3.rs b/tests/ui/codemap_tests/tab_3.rs
index 58b034d0fcf18..ec7484cb929ac 100644
--- a/tests/ui/codemap_tests/tab_3.rs
+++ b/tests/ui/codemap_tests/tab_3.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 
 fn main() {
 	let some_vec = vec!["hi"];
diff --git a/tests/ui/const_prop/mir-opt-impossible-sized-predicates.rs b/tests/ui/const_prop/mir-opt-impossible-sized-predicates.rs
new file mode 100644
index 0000000000000..663370c429756
--- /dev/null
+++ b/tests/ui/const_prop/mir-opt-impossible-sized-predicates.rs
@@ -0,0 +1,21 @@
+// Regression test for https://github.com/rust-lang/rust/issues/156051.
+
+//@ compile-flags: --crate-type=lib -Zmir-opt-level=3
+//@ build-pass
+
+trait WidgetSize<E> {
+    fn size<'w>(self) -> usize
+    where
+        Self: Sized + 'w;
+}
+
+trait WidgetSizeDyn<E> {}
+
+impl<E> WidgetSize<E> for dyn WidgetSizeDyn<E> + '_ {
+    fn size<'w>(self) -> usize
+    where
+        Self: Sized + 'w,
+    {
+        core::mem::size_of::<Self>()
+    }
+}
diff --git a/tests/ui/consts/const-eval/raw-bytes.rs b/tests/ui/consts/const-eval/raw-bytes.rs
index 5c8253ee2b41f..f4e427baeab2c 100644
--- a/tests/ui/consts/const-eval/raw-bytes.rs
+++ b/tests/ui/consts/const-eval/raw-bytes.rs
@@ -1,7 +1,7 @@
 //@ stderr-per-bitwidth
 //@ ignore-endian-big
-// ignore-tidy-linelength
 //@ dont-require-annotations: NOTE
+// ignore-tidy-file-linelength
 
 #![allow(invalid_value, unnecessary_transmutes)]
 #![feature(never_type, rustc_attrs, ptr_metadata, slice_from_ptr_range, const_slice_from_ptr_range)]
diff --git a/tests/ui/consts/const-eval/ub-ref-ptr.rs b/tests/ui/consts/const-eval/ub-ref-ptr.rs
index dedfd3a676f87..9cd47e4b155e3 100644
--- a/tests/ui/consts/const-eval/ub-ref-ptr.rs
+++ b/tests/ui/consts/const-eval/ub-ref-ptr.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 // Strip out raw byte dumps to make comparison platform-independent:
 //@ normalize-stderr: "(the raw bytes of the constant) \(size: [0-9]*, align: [0-9]*\)" -> "$1 (size: $$SIZE, align: $$ALIGN)"
 //@ normalize-stderr: "([0-9a-f][0-9a-f] |__ |╾─*ALLOC[0-9]+(\+[a-z0-9]+)?(<imm>)?─*╼ )+ *│.*" -> "HEX_DUMP"
diff --git a/tests/ui/consts/const-eval/ub-wide-ptr.rs b/tests/ui/consts/const-eval/ub-wide-ptr.rs
index a5c0b6f628e9c..327a5689de062 100644
--- a/tests/ui/consts/const-eval/ub-wide-ptr.rs
+++ b/tests/ui/consts/const-eval/ub-wide-ptr.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 #![allow(unused, unnecessary_transmutes)]
 #![feature(ptr_metadata)]
 
diff --git a/tests/ui/consts/const_refs_to_static-ice-121413.rs b/tests/ui/consts/const_refs_to_static-ice-121413.rs
index d0f89283ed049..d23616b09beef 100644
--- a/tests/ui/consts/const_refs_to_static-ice-121413.rs
+++ b/tests/ui/consts/const_refs_to_static-ice-121413.rs
@@ -1,9 +1,10 @@
+// ignore-tidy-file-linelength
+//
 //@ edition:2015
 // ICE: ImmTy { imm: Scalar(alloc1), ty: *const dyn Sync } input to a fat-to-thin cast (*const dyn Sync -> *const usize
 // or with -Zextra-const-ub-checks: expected wide pointer extra data (e.g. slice length or trait object vtable)
 // issue: rust-lang/rust#121413
 //@ compile-flags: -Zextra-const-ub-checks
-// ignore-tidy-linelength
 const REF_INTERIOR_MUT: &usize = {
     //~^ HELP consider importing this type alias
     static FOO: Sync = AtomicUsize::new(0);
diff --git a/tests/ui/consts/const_refs_to_static-ice-121413.stderr b/tests/ui/consts/const_refs_to_static-ice-121413.stderr
index 2787109769324..5f1b396b6c6ad 100644
--- a/tests/ui/consts/const_refs_to_static-ice-121413.stderr
+++ b/tests/ui/consts/const_refs_to_static-ice-121413.stderr
@@ -1,5 +1,5 @@
 error[E0433]: cannot find type `AtomicUsize` in this scope
-  --> $DIR/const_refs_to_static-ice-121413.rs:9:24
+  --> $DIR/const_refs_to_static-ice-121413.rs:10:24
    |
 LL |     static FOO: Sync = AtomicUsize::new(0);
    |                        ^^^^^^^^^^^ use of undeclared type `AtomicUsize`
@@ -10,7 +10,7 @@ LL + use std::sync::atomic::AtomicUsize;
    |
 
 warning: trait objects without an explicit `dyn` are deprecated
-  --> $DIR/const_refs_to_static-ice-121413.rs:9:17
+  --> $DIR/const_refs_to_static-ice-121413.rs:10:17
    |
 LL |     static FOO: Sync = AtomicUsize::new(0);
    |                 ^^^^
@@ -24,7 +24,7 @@ LL |     static FOO: dyn Sync = AtomicUsize::new(0);
    |                 +++
 
 error[E0277]: the size for values of type `(dyn Sync + 'static)` cannot be known at compilation time
-  --> $DIR/const_refs_to_static-ice-121413.rs:9:5
+  --> $DIR/const_refs_to_static-ice-121413.rs:10:5
    |
 LL |     static FOO: Sync = AtomicUsize::new(0);
    |     ^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
diff --git a/tests/ui/consts/issue-90878-3.rs b/tests/ui/consts/issue-90878-3.rs
index 0e36646eb49f5..269160d9f9f85 100644
--- a/tests/ui/consts/issue-90878-3.rs
+++ b/tests/ui/consts/issue-90878-3.rs
@@ -3,4 +3,4 @@ fn main() {
     |x: usize| [0; x];  //~ ERROR attempt to use a non-constant value in a constant [E0435]
     // (note the newline before "fn")
 }
-// ignore-tidy-leading-newlines
+// ignore-tidy-file-leading-newlines
diff --git a/tests/ui/consts/promote-not.rs b/tests/ui/consts/promote-not.rs
index 74e0efb858aa0..5a7e54811f387 100644
--- a/tests/ui/consts/promote-not.rs
+++ b/tests/ui/consts/promote-not.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 // Test various things that we do not want to promote.
 #![allow(unconditional_panic)]
 
diff --git a/tests/ui/debuginfo/debuginfo-inline-callsite-location-macro-1.rs b/tests/ui/debuginfo/debuginfo-inline-callsite-location-macro-1.rs
index 32ef849f47e17..7a4c874607744 100644
--- a/tests/ui/debuginfo/debuginfo-inline-callsite-location-macro-1.rs
+++ b/tests/ui/debuginfo/debuginfo-inline-callsite-location-macro-1.rs
@@ -1,7 +1,7 @@
 //@ check-pass
 //@ compile-flags: -Cdebuginfo=2 -Copt-level=0 -Zmir-enable-passes=+Inline
 //@ ignore-msvc
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 
 #[derive(Default)]
 struct Something {}
diff --git a/tests/ui/debuginfo/debuginfo-inline-callsite-location-macro-2.rs b/tests/ui/debuginfo/debuginfo-inline-callsite-location-macro-2.rs
index 3696ed37a2044..7e4ee2cdee03a 100644
--- a/tests/ui/debuginfo/debuginfo-inline-callsite-location-macro-2.rs
+++ b/tests/ui/debuginfo/debuginfo-inline-callsite-location-macro-2.rs
@@ -1,7 +1,7 @@
 //@ check-pass
 //@ compile-flags: -Cdebuginfo=2 -Copt-level=0 -Zmir-enable-passes=+Inline
 //@ ignore-msvc
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 
 #[derive(Default)]
 struct Something {}
diff --git a/tests/ui/delegation/method-probe-self-ty-infer-var.rs b/tests/ui/delegation/method-probe-self-ty-infer-var.rs
new file mode 100644
index 0000000000000..bdae6030a36a2
--- /dev/null
+++ b/tests/ui/delegation/method-probe-self-ty-infer-var.rs
@@ -0,0 +1,17 @@
+// Regression test for https://github.com/rust-lang/rust/issues/159128.
+
+#![feature(fn_delegation)]
+
+trait Trait {
+    fn method(self);
+}
+
+struct S<S>;
+//~^ ERROR type parameter `S` is never used
+
+impl<T> Trait for S<T> {
+    reuse Trait::method { S }
+    //~^ ERROR type annotations needed
+}
+
+fn main() {}
diff --git a/tests/ui/delegation/method-probe-self-ty-infer-var.stderr b/tests/ui/delegation/method-probe-self-ty-infer-var.stderr
new file mode 100644
index 0000000000000..7c28a67d3fdb6
--- /dev/null
+++ b/tests/ui/delegation/method-probe-self-ty-infer-var.stderr
@@ -0,0 +1,24 @@
+error[E0392]: type parameter `S` is never used
+  --> $DIR/method-probe-self-ty-infer-var.rs:9:10
+   |
+LL | struct S<S>;
+   |          ^ unused type parameter
+   |
+   = help: consider removing `S`, referring to it in a field, or using a marker such as `PhantomData`
+   = help: if you intended `S` to be a const parameter, use `const S: /* Type */` instead
+
+error[E0282]: type annotations needed
+  --> $DIR/method-probe-self-ty-infer-var.rs:13:27
+   |
+LL |     reuse Trait::method { S }
+   |                           ^ cannot infer type of the type parameter `S` declared on the struct `S`
+   |
+help: consider specifying a concrete type for the type parameter `S`
+   |
+LL |     reuse Trait::method { S::</* Type */> }
+   |                            ++++++++++++++
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0282, E0392.
+For more information about an error, try `rustc --explain E0282`.
diff --git a/tests/ui/diagnostic-flags/allow-non-lint-warnings.rs b/tests/ui/diagnostic-flags/allow-non-lint-warnings.rs
index f928e1122894d..4788983a038b1 100644
--- a/tests/ui/diagnostic-flags/allow-non-lint-warnings.rs
+++ b/tests/ui/diagnostic-flags/allow-non-lint-warnings.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //! Check that `-A warnings` cli flag applies to non-lint warnings as well.
 //!
 //! This test tries to exercise that by checking that a non-lint warning (normally
diff --git a/tests/ui/diagnostic-width/auxiliary/tab_column_numbers.rs b/tests/ui/diagnostic-width/auxiliary/tab_column_numbers.rs
index 93418b7651c8b..2be5171835cf2 100644
--- a/tests/ui/diagnostic-width/auxiliary/tab_column_numbers.rs
+++ b/tests/ui/diagnostic-width/auxiliary/tab_column_numbers.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 
 pub struct S;
 impl S {
diff --git a/tests/ui/diagnostic-width/long-span.long.stderr b/tests/ui/diagnostic-width/long-span.long.stderr
index fddf25df6212c..85b1cffe5e877 100644
--- a/tests/ui/diagnostic-width/long-span.long.stderr
+++ b/tests/ui/diagnostic-width/long-span.long.stderr
@@ -1,5 +1,5 @@
 error[E0369]: cannot add `[{integer}; 1680]` to `[{integer}; 1680]`
-   ╭▸ $DIR/long-span.rs:7:5056
+   ╭▸ $DIR/long-span.rs:8:5056
    │
 LL │ …u8 = [0, 0, 0, 0, 0, 0, 0, 0, …, 0, 0, 0, 0, 0, 0, 0, 0] + [0, 0, 0, 0, 0, 0, 0, 0, …, 0, 0, 0, 0, 0, 0, 0, 0];
    │       ┬────────────────────────…───────────────────────── ━ ─────────────────────────…───────────────────────── [{integer}; 1680]
@@ -7,7 +7,7 @@ LL │ …u8 = [0, 0, 0, 0, 0, 0, 0, 0, …, 0, 0, 0, 0, 0, 0, 0, 0] + [0, 0, 0,
    ╰╴      [{integer}; 1680]
 
 error[E0308]: mismatched types
-   ╭▸ $DIR/long-span.rs:9:15
+   ╭▸ $DIR/long-span.rs:10:15
    │
 LL │ …t D: u8 = [0, 0, 0, 0, 0, 0, 0, 0, …, 0, 0, 0, 0, 0, 0, 0, 0];
    │       ┬─   ━━━━━━━━━━━━━━━━━━━━━━━━━…━━━━━━━━━━━━━━━━━━━━━━━━━ expected `u8`, found `[{integer}; 1680]`
diff --git a/tests/ui/diagnostic-width/long-span.longest.stderr b/tests/ui/diagnostic-width/long-span.longest.stderr
index 2af54868f2234..01736a5b4a277 100644
--- a/tests/ui/diagnostic-width/long-span.longest.stderr
+++ b/tests/ui/diagnostic-width/long-span.longest.stderr
@@ -1,5 +1,5 @@
 error[E0369]: cannot add `[{integer}; 1680]` to `[{integer}; 1680]`
-  --> $DIR/long-span.rs:7:5056
+  --> $DIR/long-span.rs:8:5056
    |
 LL | ... = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] + [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
    |       --------------------------------------...-------------------------------------- ^ --------------------------------------...-------------------------------------- [{integer}; 1680]
@@ -7,7 +7,7 @@ LL | ... = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...0, 0, 0, 0, 0, 0, 0, 0, 0, 0
    |       [{integer}; 1680]
 
 error[E0308]: mismatched types
-  --> $DIR/long-span.rs:9:15
+  --> $DIR/long-span.rs:10:15
    |
 LL | ...D: u8 = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
    |       --   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found `[{integer}; 1680]`
diff --git a/tests/ui/diagnostic-width/long-span.rs b/tests/ui/diagnostic-width/long-span.rs
index a3103379e93fd..ec242cb3a78d3 100644
--- a/tests/ui/diagnostic-width/long-span.rs
+++ b/tests/ui/diagnostic-width/long-span.rs
@@ -1,9 +1,10 @@
+// ignore-tidy-file-linelength
+//
 //@ revisions: shortest short long longest
 //@[shortest] compile-flags: --diagnostic-width=4
 //@[short] compile-flags: --diagnostic-width=12 -Zunstable-options --json=diagnostic-unicode
 //@[long] compile-flags: --diagnostic-width=80 -Zunstable-options --json=diagnostic-unicode
 //@[longest] compile-flags: --diagnostic-width=120
-// ignore-tidy-linelength
 const C: u8 = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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 //~^ ERROR E0369
 const D: u8 = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
diff --git a/tests/ui/diagnostic-width/long-span.short.stderr b/tests/ui/diagnostic-width/long-span.short.stderr
index a1cb789a64549..13b47e1e78575 100644
--- a/tests/ui/diagnostic-width/long-span.short.stderr
+++ b/tests/ui/diagnostic-width/long-span.short.stderr
@@ -1,5 +1,5 @@
 error[E0369]: cannot add `[{integer}; 1680]` to `[{integer}; 1680]`
-   ╭▸ $DIR/long-span.rs:7:5056
+   ╭▸ $DIR/long-span.rs:8:5056
    │
 LL │ …u8 = [0, 0…0, 0] + [0, 0…0, 0];
    │       ┬────…───── ━ ─────…───── [{integer}; 1680]
@@ -7,7 +7,7 @@ LL │ …u8 = [0, 0…0, 0] + [0, 0…0, 0];
    ╰╴      [{integer}; 1680]
 
 error[E0308]: mismatched types
-   ╭▸ $DIR/long-span.rs:9:15
+   ╭▸ $DIR/long-span.rs:10:15
    │
 LL │ …t D: u8 = [0, 0…0, 0];
    │       ┬─   ━━━━━…━━━━━ expected `u8`, found `[{integer}; 1680]`
diff --git a/tests/ui/diagnostic-width/long-span.shortest.stderr b/tests/ui/diagnostic-width/long-span.shortest.stderr
index 770c6f4b7fa40..fe8b9cc85979a 100644
--- a/tests/ui/diagnostic-width/long-span.shortest.stderr
+++ b/tests/ui/diagnostic-width/long-span.shortest.stderr
@@ -1,5 +1,5 @@
 error[E0369]: cannot add `[{integer}; 1680]` to `[{integer}; 1680]`
-  --> $DIR/long-span.rs:7:5056
+  --> $DIR/long-span.rs:8:5056
    |
 LL | ... = [0, 0...0, 0] + [0, 0...0, 0];
    |       -----...----- ^ -----...----- [{integer}; 1680]
@@ -7,7 +7,7 @@ LL | ... = [0, 0...0, 0] + [0, 0...0, 0];
    |       [{integer}; 1680]
 
 error[E0308]: mismatched types
-  --> $DIR/long-span.rs:9:15
+  --> $DIR/long-span.rs:10:15
    |
 LL | ...D: u8 = [0, 0...0, 0];
    |       --   ^^^^^...^^^^^ expected `u8`, found `[{integer}; 1680]`
diff --git a/tests/ui/diagnostic-width/non-1-width-unicode-multiline-label.rs b/tests/ui/diagnostic-width/non-1-width-unicode-multiline-label.rs
index 7fb95a4ac1e21..c51423c7e7837 100644
--- a/tests/ui/diagnostic-width/non-1-width-unicode-multiline-label.rs
+++ b/tests/ui/diagnostic-width/non-1-width-unicode-multiline-label.rs
@@ -1,7 +1,7 @@
 //@ revisions: ascii unicode
 //@ compile-flags: --diagnostic-width=145
 //@[unicode] compile-flags: -Zunstable-options --error-format=human-unicode
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 fn main() {
     let unicode_is_fun = "؁‱ஹ௸௵꧄.ဪ꧅⸻𒈙𒐫﷽𒌄𒈟𒍼𒁎𒀱𒌧𒅃 𒈓𒍙𒊎𒄡𒅌𒁏𒀰𒐪𒐩𒈙𒐫𪚥";
diff --git a/tests/ui/diagnostic-width/non-whitespace-trimming-2.rs b/tests/ui/diagnostic-width/non-whitespace-trimming-2.rs
index 6e80649fee86e..69bedc52c1123 100644
--- a/tests/ui/diagnostic-width/non-whitespace-trimming-2.rs
+++ b/tests/ui/diagnostic-width/non-whitespace-trimming-2.rs
@@ -1,9 +1,9 @@
 //@ revisions: ascii unicode
 //@ compile-flags: --diagnostic-width=145
 //@[unicode] compile-flags: -Zunstable-options --error-format=human-unicode
-// ignore-tidy-linelength
 
 fn main() {
+    // ignore-tidy-linelength
     let _: usize = 0; let _: usize = 1; let _: usize = 2; let _: usize = 3; let _: usize = 4; let _: usize = 5; let _: usize = 6; let _: usize = 7; let _: usize = 8; let _: usize = 9; let _: usize = 10; let _: usize = 11; let _: usize = 12; let _: usize = 13; let _: usize = 14; let _: usize = 15; let _: () = 42; let _: usize = 0; let _: usize = 1; let _: usize = 2; let _: usize = 3; let _: usize = 4; let _: usize = 5; let _: usize = 6; let _: usize = 7; let _: usize = 8; let _: usize = 9; let _: usize = 10; let _: usize = 11; let _: usize = 12; let _: usize = 13; let _: usize = 14; let _: usize = 15;
 //[ascii]~^ ERROR mismatched types
 }
diff --git a/tests/ui/diagnostic-width/non-whitespace-trimming-unicode.rs b/tests/ui/diagnostic-width/non-whitespace-trimming-unicode.rs
index 258eb090aae36..173fdb3ea64a9 100644
--- a/tests/ui/diagnostic-width/non-whitespace-trimming-unicode.rs
+++ b/tests/ui/diagnostic-width/non-whitespace-trimming-unicode.rs
@@ -1,7 +1,7 @@
 //@ compile-flags: --diagnostic-width=145
-// ignore-tidy-linelength
 
 fn main() {
+    // ignore-tidy-linelength
     let _: &str = "🦀☀☁☂☃☄★☆☇☈☉☊☋☌☍☎☏☐☑☒☓  ☖☗☘☙☚☛☜☝☞☟☠☡☢☣☤☥☦☧☨☩☪☫☬☭☮☯☰☱☲☳☴☵☶☷☸☹☺☻☼☽☾☿♀♁♂♃♄♅♆♇♏♔♕♖♗♘♙♚♛♜♝♞♟♠♡♢♣♤♥♦♧♨♩♪♫♬♭♮♯♰♱♲♳♴♵♶♷♸♹♺♻♼♽♾♿⚀⚁⚂⚃⚄⚅⚆⚈⚉4🦀☀☁☂☃☄★☆☇☈☉☊☋☌☍☎☏☐☑☒☓☖☗☘☙☚☛☜☝☞☟☠☡☢☣☤☥☦☧☨☩☪☫☬☭☮☯☰☱☲☳☴☵☶☷☸☹☺☻☼☽☾☿♀♁♂♃♄♅♆♇♏♔♕♖♗♘♙♚♛♜♝♞♟♠♡♢♣♤♥♦♧♨♩♪♫♬♭♮♯♰♱♲♳♴♵♶♷♸♹♺♻♼♽♾♿⚀⚁⚂⚃⚄⚅⚆⚈⚉4🦀🦀☁☂☃☄★☆☇☈☉☊☋☌☍☎☏☐☑☒☓☖☗☘☙☚☛☜☝☞☟☠☡☢☣☤☥☦☧☨☩☪☫☬☭☮☯☰☱☲☳☴☵☶☷☸☹☺☻☼☽☾☿♀♁♂♃♄♅♆♇♏♔♕♖♗♘♙♚♛♜♝♞♟♠♡♢♣♤♥♦♧♨♩♪♫♬♭♮♯♰♱♲♳♴♵♶♷♸♹♺♻♼♽♾♿⚀⚁⚂⚃⚄⚅⚆⚈⚉4"; let _: () = 42;  let _: &str = "🦀☀☁☂☃☄★☆☇☈☉☊☋☌☍☎☏☐☑☒☓  ☖☗☘☙☚☛☜☝☞☟☠☡☢☣☤☥☦☧☨☩☪☫☬☭☮☯☰☱☲☳☴☵☶☷☸☹☺☻☼☽☾☿♀♁♂♃♄♅♆♇♏♔♕♖♗♘♙♚♛♜♝♞♟♠♡♢♣♤♥♦♧♨♩♪♫♬♭♮♯♰♱♲♳♴♵♶♷♸♹♺♻♼♽♾♿⚀⚁⚂⚃⚄⚅⚆⚈⚉4🦀☀☁☂☃☄★☆☇☈☉☊☋☌☍☎☏☐☑☒☓☖☗☘☙☚☛☜☝☞☟☠☡☢☣☤☥☦☧☨☩☪☫☬☭☮☯☰☱☲☳☴☵☶☷☸☹☺☻☼☽☾☿♀♁♂♃♄♅♆♇♏♔♕♖♗♘♙♚♛♜♝♞♟♠♡♢♣♤♥♦♧♨♩♪♫♬♭♮♯♰♱♲♳♴♵♶♷♸♹♺♻♼♽♾♿⚀⚁⚂⚃⚄⚅⚆⚈⚉4🦀🦀☁☂☃☄★☆☇☈☉☊☋☌☍☎☏☐☑☒☓☖☗☘☙☚☛☜☝☞☟☠☡☢☣☤☥☦☧☨☩☪☫☬☭☮☯☰☱☲☳☴☵☶☷☸☹☺☻☼☽☾☿♀♁♂♃♄♅♆♇♏♔♕♖♗♘♙♚♛♜♝♞♟♠♡♢♣♤♥♦♧♨♩♪♫♬♭♮♯♰♱♲♳♴♵♶♷♸♹♺♻♼♽♾♿⚀⚁⚂⚃⚄⚅⚆⚈⚉4";
 //~^ ERROR mismatched types
 }
diff --git a/tests/ui/diagnostic-width/non-whitespace-trimming.rs b/tests/ui/diagnostic-width/non-whitespace-trimming.rs
index cb9450f0de0bd..34a511526982c 100644
--- a/tests/ui/diagnostic-width/non-whitespace-trimming.rs
+++ b/tests/ui/diagnostic-width/non-whitespace-trimming.rs
@@ -1,7 +1,7 @@
 //@ compile-flags: --diagnostic-width=145
-// ignore-tidy-linelength
 
 fn main() {
+    // ignore-tidy-linelength
     let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = 42; let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = (); let _: () = ();
 //~^ ERROR mismatched types
 }
diff --git a/tests/ui/diagnostic-width/tab-column-numbers.rs b/tests/ui/diagnostic-width/tab-column-numbers.rs
index f75fec1a700f2..74fb666b41fda 100644
--- a/tests/ui/diagnostic-width/tab-column-numbers.rs
+++ b/tests/ui/diagnostic-width/tab-column-numbers.rs
@@ -1,7 +1,7 @@
 // Test for #109537: ensure that column numbers are correctly generated when using hard tabs.
 //@ aux-build:tab_column_numbers.rs
 
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 
 extern crate tab_column_numbers;
 
diff --git a/tests/ui/diagnostic-width/tabs-trimming.rs b/tests/ui/diagnostic-width/tabs-trimming.rs
index 5cf6bc89a1675..badc6619cb294 100644
--- a/tests/ui/diagnostic-width/tabs-trimming.rs
+++ b/tests/ui/diagnostic-width/tabs-trimming.rs
@@ -1,7 +1,7 @@
 // Test for #78438: ensure underline alignment with many tabs on the left, long line on the right
 //@ compile-flags: --diagnostic-width=145
-// ignore-tidy-linelength
-// ignore-tidy-tab
+// ignore-tidy-file-linelength
+// ignore-tidy-file-tab
 
 					fn main() {
 						let money = 42i32;
diff --git a/tests/ui/diagnostic-width/whitespace-trimming-2.rs b/tests/ui/diagnostic-width/whitespace-trimming-2.rs
index c68f678aab349..df3ce32d027ea 100644
--- a/tests/ui/diagnostic-width/whitespace-trimming-2.rs
+++ b/tests/ui/diagnostic-width/whitespace-trimming-2.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 fn foo() -> usize {
                                                                                                                                                                                           ()
diff --git a/tests/ui/diagnostic-width/whitespace-trimming.rs b/tests/ui/diagnostic-width/whitespace-trimming.rs
index f747bcf17e0b4..181aa8386f1e6 100644
--- a/tests/ui/diagnostic-width/whitespace-trimming.rs
+++ b/tests/ui/diagnostic-width/whitespace-trimming.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 fn main() {
                                                                                                                                                                                     let _: () = 42;
diff --git a/tests/ui/eii/linking/auxiliary/track_caller_cross_other_crate.rs b/tests/ui/eii/linking/auxiliary/track_caller_cross_other_crate.rs
new file mode 100644
index 0000000000000..5a9c1aa2ac937
--- /dev/null
+++ b/tests/ui/eii/linking/auxiliary/track_caller_cross_other_crate.rs
@@ -0,0 +1,7 @@
+//@ no-prefer-dynamic
+#![crate_type = "rlib"]
+#![feature(extern_item_impls)]
+
+#[track_caller]
+#[eii(tcross)]
+pub fn tcross(x: u64);
diff --git a/tests/ui/eii/linking/track_caller_cross_crate.rs b/tests/ui/eii/linking/track_caller_cross_crate.rs
new file mode 100644
index 0000000000000..2e16ec7b9fb23
--- /dev/null
+++ b/tests/ui/eii/linking/track_caller_cross_crate.rs
@@ -0,0 +1,29 @@
+//@ run-pass
+//@ check-run-results
+//@ aux-build: track_caller_cross_other_crate.rs
+//@ compile-flags: -O
+//@ ignore-backends: gcc
+//@ ignore-windows
+// Tests that `#[track_caller]` on an EII declaration in one crate is derived
+// onto an explicit implementation in another crate.
+
+extern crate track_caller_cross_other_crate as decl;
+
+use std::panic::Location;
+use std::sync::atomic::{AtomicU32, Ordering};
+
+static LAST_LINE: AtomicU32 = AtomicU32::new(0);
+
+#[decl::tcross]
+fn my_impl(x: u64) {
+    LAST_LINE.store(Location::caller().line(), Ordering::SeqCst);
+    println!("impl {x}");
+}
+
+fn main() {
+    my_impl(1);
+    assert_eq!(LAST_LINE.load(Ordering::SeqCst), line!() - 1);
+
+    decl::tcross(2);
+    assert_eq!(LAST_LINE.load(Ordering::SeqCst), line!() - 1);
+}
diff --git a/tests/ui/eii/linking/track_caller_cross_crate.run.stdout b/tests/ui/eii/linking/track_caller_cross_crate.run.stdout
new file mode 100644
index 0000000000000..38834e7a16bd4
--- /dev/null
+++ b/tests/ui/eii/linking/track_caller_cross_crate.run.stdout
@@ -0,0 +1,2 @@
+impl 1
+impl 2
diff --git a/tests/ui/eii/track_caller.rs b/tests/ui/eii/track_caller.rs
new file mode 100644
index 0000000000000..62f48467839af
--- /dev/null
+++ b/tests/ui/eii/track_caller.rs
@@ -0,0 +1,36 @@
+//@ run-pass
+//@ ignore-backends: gcc
+//@ ignore-windows
+// Tests that `#[track_caller]` on an EII declaration is threaded through both
+// the default impl (no override) and an explicit override (which does not
+// repeat `#[track_caller]` — it is derived during codegen so the shim ABI matches).
+
+#![feature(extern_item_impls)]
+
+use std::panic::Location;
+use std::sync::atomic::{AtomicU32, Ordering};
+
+static LAST_LINE: AtomicU32 = AtomicU32::new(0);
+
+#[track_caller]
+#[eii]
+fn decl_default(_x: u64) {
+    LAST_LINE.store(Location::caller().line(), Ordering::SeqCst);
+}
+
+#[track_caller]
+#[eii]
+fn decl_override(_x: u64);
+
+#[decl_override]
+fn explicit_override(_x: u64) {
+    LAST_LINE.store(Location::caller().line(), Ordering::SeqCst);
+}
+
+fn main() {
+    decl_default(1);
+    assert_eq!(LAST_LINE.load(Ordering::SeqCst), line!() - 1);
+
+    decl_override(2);
+    assert_eq!(LAST_LINE.load(Ordering::SeqCst), line!() - 1);
+}
diff --git a/tests/ui/eii/track_caller_errors.rs b/tests/ui/eii/track_caller_errors.rs
new file mode 100644
index 0000000000000..53b55f5b4eaef
--- /dev/null
+++ b/tests/ui/eii/track_caller_errors.rs
@@ -0,0 +1,18 @@
+// `#[track_caller]` is derived onto EII implementations during codegen, so
+// implementations must not repeat it manually.
+#![feature(extern_item_impls)]
+
+#[eii]
+fn decl1(x: u64) {
+    println!("default {x}");
+}
+
+#[track_caller] //~ ERROR `#[decl1]` is not allowed to have `#[track_caller]`
+#[decl1]
+fn impl1(x: u64) {
+    println!("explicit {x}");
+}
+
+fn main() {
+    decl1(4);
+}
diff --git a/tests/ui/eii/track_caller_errors.stderr b/tests/ui/eii/track_caller_errors.stderr
new file mode 100644
index 0000000000000..e096146b67830
--- /dev/null
+++ b/tests/ui/eii/track_caller_errors.stderr
@@ -0,0 +1,11 @@
+error: `#[decl1]` is not allowed to have `#[track_caller]`
+  --> $DIR/track_caller_errors.rs:10:1
+   |
+LL | #[track_caller]
+   | ^^^^^^^^^^^^^^^
+LL | #[decl1]
+LL | fn impl1(x: u64) {
+   | ---------------- `#[decl1]` is not allowed to have `#[track_caller]`
+
+error: aborting due to 1 previous error
+
diff --git a/tests/ui/eii/track_caller_static_errors.rs b/tests/ui/eii/track_caller_static_errors.rs
new file mode 100644
index 0000000000000..8bd12de5ad8c8
--- /dev/null
+++ b/tests/ui/eii/track_caller_static_errors.rs
@@ -0,0 +1,11 @@
+//@ ignore-apple
+// `#[track_caller]` is only valid on functions, not on EII (foreign) statics.
+#![feature(extern_item_impls)]
+
+#[track_caller] //~ ERROR `#[track_caller]` attribute cannot be used on foreign statics
+#[eii(sfoo)]
+static FOO: u64 = 42;
+
+fn main() {
+    println!("{FOO}");
+}
diff --git a/tests/ui/eii/track_caller_static_errors.stderr b/tests/ui/eii/track_caller_static_errors.stderr
new file mode 100644
index 0000000000000..6b85ace2b0409
--- /dev/null
+++ b/tests/ui/eii/track_caller_static_errors.stderr
@@ -0,0 +1,10 @@
+error: `#[track_caller]` attribute cannot be used on foreign statics
+  --> $DIR/track_caller_static_errors.rs:5:1
+   |
+LL | #[track_caller]
+   | ^^^^^^^^^^^^^^^
+   |
+   = help: `#[track_caller]` can only be applied to functions
+
+error: aborting due to 1 previous error
+
diff --git a/tests/ui/error-emitter/multiline-removal-suggestion.rs b/tests/ui/error-emitter/multiline-removal-suggestion.rs
index 72e9ea357c9e6..d043c76c6b8cb 100644
--- a/tests/ui/error-emitter/multiline-removal-suggestion.rs
+++ b/tests/ui/error-emitter/multiline-removal-suggestion.rs
@@ -2,7 +2,7 @@
 //@ compile-flags: --error-format=human --color=always
 //@ edition:2018
 //@ only-linux
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 // We use `\t` instead of spaces for indentation to ensure that the highlighting logic properly
 // accounts for replaced characters (like we do for `\t` with `    `). The naïve way of highlighting
 // could be counting chars of the original code, instead of operating on the code as it is being
diff --git a/tests/ui/expr/if/expr-stack-overflow.rs b/tests/ui/expr/if/expr-stack-overflow.rs
index 6fa09345c8274..8d6e928b866fa 100644
--- a/tests/ui/expr/if/expr-stack-overflow.rs
+++ b/tests/ui/expr/if/expr-stack-overflow.rs
@@ -1,6 +1,6 @@
 //! regression test for <https://github.com/rust-lang/rust/issues/74564>
 //@ build-pass
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 #![crate_type = "rlib"]
 
 fn banana(v: &str) -> u32 {
diff --git a/tests/ui/float/classify-runtime-const.rs b/tests/ui/float/classify-runtime-const.rs
index 5727d5d7b859d..e3b97386a3124 100644
--- a/tests/ui/float/classify-runtime-const.rs
+++ b/tests/ui/float/classify-runtime-const.rs
@@ -4,7 +4,7 @@
 //@[noopt] compile-flags: -Zmir-opt-level=0
 //@ min-llvm-version: 22
 //@ compile-flags: --check-cfg=cfg(target_has_reliable_f16)
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 #![feature(cfg_target_has_reliable_f16_f128)]
 #![cfg_attr(target_has_reliable_f16, feature(f16))]
 
diff --git a/tests/ui/fmt/format-string-error-2.rs b/tests/ui/fmt/format-string-error-2.rs
index d28885b58809b..90d1cec12c895 100644
--- a/tests/ui/fmt/format-string-error-2.rs
+++ b/tests/ui/fmt/format-string-error-2.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 
 fn main() {
     format!("{
diff --git a/tests/ui/fmt/format-string-error.rs b/tests/ui/fmt/format-string-error.rs
index cb9449be53207..5e40d67e536f5 100644
--- a/tests/ui/fmt/format-string-error.rs
+++ b/tests/ui/fmt/format-string-error.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 
 fn main() {
     println!("{");
diff --git a/tests/ui/frontmatter/content-cr.rs b/tests/ui/frontmatter/content-cr.rs
index 71bede928f377..8eb9fb9ecf540 100644
--- a/tests/ui/frontmatter/content-cr.rs
+++ b/tests/ui/frontmatter/content-cr.rs
@@ -3,7 +3,7 @@ package.name = "
" # //~ ERROR bare CR not allowed in frontmatter
 package.description = "é"
 ---
 
-// ignore-tidy-cr
+// ignore-tidy-file-cr
 
 #![feature(frontmatter)]
 
diff --git a/tests/ui/frontmatter/fence-too-many-dashes.rs b/tests/ui/frontmatter/fence-too-many-dashes.rs
index abb64748d3d02..5724f29bfc866 100644
--- a/tests/ui/frontmatter/fence-too-many-dashes.rs
+++ b/tests/ui/frontmatter/fence-too-many-dashes.rs
@@ -1,6 +1,6 @@
 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 //~? ERROR: too many `-` symbols: frontmatter openings may be delimited by up to 255 `-` symbols
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 [dependencies]
 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 
diff --git a/tests/ui/frontmatter/fence-whitespace-trailing-1.rs b/tests/ui/frontmatter/fence-whitespace-trailing-1.rs
index 6580514fba2d2..8b755d4f1492f 100644
--- a/tests/ui/frontmatter/fence-whitespace-trailing-1.rs
+++ b/tests/ui/frontmatter/fence-whitespace-trailing-1.rs
@@ -8,9 +8,9 @@
 // the frontmatter opening and the frontmatter close.
 
 //@ check-pass
-// ignore-tidy-end-whitespace
-// ignore-tidy-leading-newlines
-// ignore-tidy-tab
+// ignore-tidy-file-end-whitespace
+// ignore-tidy-file-leading-newlines
+// ignore-tidy-file-tab
 
 #![feature(frontmatter)]
 
diff --git a/tests/ui/frontmatter/fence-whitespace-trailing-2.rs b/tests/ui/frontmatter/fence-whitespace-trailing-2.rs
index 1e7c5556647b0..adef774d5a0a7 100644
--- a/tests/ui/frontmatter/fence-whitespace-trailing-2.rs
+++ b/tests/ui/frontmatter/fence-whitespace-trailing-2.rs
@@ -2,7 +2,7 @@
 ---
 
 //@ check-pass
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 // A frontmatter infostring can have leading whitespace.
 
 #![feature(frontmatter)]
diff --git a/tests/ui/frontmatter/frontmatter-crlf.rs b/tests/ui/frontmatter/frontmatter-crlf.rs
index b46cc9ddbb0e0..aad9c00becff2 100644
--- a/tests/ui/frontmatter/frontmatter-crlf.rs
+++ b/tests/ui/frontmatter/frontmatter-crlf.rs
@@ -5,7 +5,7 @@ clap = "4"
 ---
 
 //@ check-pass
-// ignore-tidy-cr
+// ignore-tidy-file-cr
 
 // crlf line endings should be accepted
 
diff --git a/tests/ui/imports/ambiguous-import-visibility-globglob-mir.rs b/tests/ui/imports/ambiguous-import-visibility-globglob-mir.rs
new file mode 100644
index 0000000000000..6633be4ba6bb3
--- /dev/null
+++ b/tests/ui/imports/ambiguous-import-visibility-globglob-mir.rs
@@ -0,0 +1,21 @@
+// Regression test for the 1.96 -> 1.97 stable-to-stable regression: an item exported
+// only through a public glob, and also glob-imported with restricted visibility through
+// a private facade, lost its exported effective visibility. The defining crate then
+// skipped encoding its optimized MIR (and warned dead_code) while name resolution still
+// exported the item and it remained `cross_crate_inlinable`, so downstream crates failed
+// with "missing optimized MIR". This test pins the missing-MIR half; the dead_code half
+// is checked by the sibling test `ambiguous-import-visibility-globglob-reachable.rs`
+// (via its `#![deny(dead_code)]`).
+
+//@ build-pass
+//@ aux-build:ambiguous-import-visibility-globglob-mir.rs
+
+extern crate ambiguous_import_visibility_globglob_mir as dep;
+
+pub fn call_f() -> u32 {
+    dep::f()
+}
+
+fn main() {
+    call_f();
+}
diff --git a/tests/ui/imports/ambiguous-import-visibility-globglob-reachable.rs b/tests/ui/imports/ambiguous-import-visibility-globglob-reachable.rs
new file mode 100644
index 0000000000000..1a533b1d4ee21
--- /dev/null
+++ b/tests/ui/imports/ambiguous-import-visibility-globglob-reachable.rs
@@ -0,0 +1,26 @@
+// Regression test for the 1.96 -> 1.97 stable-to-stable regression: an item exported
+// only through a public glob, and also glob-imported with restricted visibility through
+// a private facade, lost its exported effective visibility while name resolution still
+// exported it. Downstream: spurious dead_code in this crate, "missing optimized MIR" in
+// dependent crates (see ambiguous-import-visibility-globglob-mir.rs). The public glob
+// declaration must drive the effective visibility of the whole reexport chain.
+
+#![feature(rustc_attrs)]
+#![allow(internal_features)]
+#![deny(dead_code)]
+
+mod inner {
+    #[rustc_effective_visibility]
+    pub fn f() {} //~ ERROR Direct: pub(crate), Reexported: pub, Reachable: pub, ReachableThroughImplTrait: pub
+}
+
+mod facade {
+    #[allow(unused_imports)]
+    pub(crate) use super::inner::f;
+}
+
+#[allow(unused_imports)]
+use facade::*;
+pub use inner::*;
+
+fn main() {}
diff --git a/tests/ui/imports/ambiguous-import-visibility-globglob-reachable.stderr b/tests/ui/imports/ambiguous-import-visibility-globglob-reachable.stderr
new file mode 100644
index 0000000000000..c27e6a2ac807b
--- /dev/null
+++ b/tests/ui/imports/ambiguous-import-visibility-globglob-reachable.stderr
@@ -0,0 +1,8 @@
+error: Direct: pub(crate), Reexported: pub, Reachable: pub, ReachableThroughImplTrait: pub
+  --> $DIR/ambiguous-import-visibility-globglob-reachable.rs:14:5
+   |
+LL |     pub fn f() {}
+   |     ^^^^^^^^^^
+
+error: aborting due to 1 previous error
+
diff --git a/tests/ui/imports/auxiliary/ambiguous-import-visibility-globglob-mir.rs b/tests/ui/imports/auxiliary/ambiguous-import-visibility-globglob-mir.rs
new file mode 100644
index 0000000000000..a1e125bd55637
--- /dev/null
+++ b/tests/ui/imports/auxiliary/ambiguous-import-visibility-globglob-mir.rs
@@ -0,0 +1,19 @@
+// An item exported only through a public glob, while also glob-imported into the
+// same module through a facade with restricted visibility. The restricted duplicate
+// must not make `f` unreachable: its optimized MIR must still be encoded for
+// downstream crates (it is `cross_crate_inlinable`).
+
+mod inner {
+    pub fn f() -> u32 {
+        42
+    }
+}
+
+mod facade {
+    #[allow(unused_imports)]
+    pub(crate) use super::inner::f;
+}
+
+#[allow(unused_imports)]
+use facade::*;
+pub use inner::*;
diff --git a/tests/ui/inference/need_type_info/issue-107745-avoid-expr-from-macro-expansion.rs b/tests/ui/inference/need_type_info/issue-107745-avoid-expr-from-macro-expansion.rs
index 3cdb488e7a545..36eb208887513 100644
--- a/tests/ui/inference/need_type_info/issue-107745-avoid-expr-from-macro-expansion.rs
+++ b/tests/ui/inference/need_type_info/issue-107745-avoid-expr-from-macro-expansion.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 // Regression test for #107745.
 // Previously need_type_info::update_infer_source will consider expressions originating from
diff --git a/tests/ui/intrinsics/panic-uninitialized-zeroed.rs b/tests/ui/intrinsics/panic-uninitialized-zeroed.rs
index 00fb2b029f9aa..a54c367a0d58c 100644
--- a/tests/ui/intrinsics/panic-uninitialized-zeroed.rs
+++ b/tests/ui/intrinsics/panic-uninitialized-zeroed.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //! This test checks panic emitted from `mem::{uninitialized,zeroed}`.
 //@ run-pass
 //@ revisions: default strict
diff --git a/tests/ui/json/json-bom-plus-crlf-multifile-aux.rs b/tests/ui/json/json-bom-plus-crlf-multifile-aux.rs
index 94b1e188ced97..97f7fbcbb0dd8 100644
--- a/tests/ui/json/json-bom-plus-crlf-multifile-aux.rs
+++ b/tests/ui/json/json-bom-plus-crlf-multifile-aux.rs
@@ -1,7 +1,7 @@
 // (This line has BOM so it's ignored by compiletest for directives)
 //
 //@ ignore-test Not a test. Used by other tests
-// ignore-tidy-cr
+// ignore-tidy-file-cr
 
 // For easier verifying, the byte offsets in this file should match those
 // in the json-bom-plus-crlf.rs - given the actual fn is identical (just with
diff --git a/tests/ui/json/json-bom-plus-crlf-multifile.rs b/tests/ui/json/json-bom-plus-crlf-multifile.rs
index 074a2583e8276..883b64b427bd4 100644
--- a/tests/ui/json/json-bom-plus-crlf-multifile.rs
+++ b/tests/ui/json/json-bom-plus-crlf-multifile.rs
@@ -3,7 +3,7 @@
 //@ compile-flags: --json=diagnostic-short --error-format=json
 //@ reference: input.byte-order-mark
 //@ reference: input.crlf
-// ignore-tidy-cr
+// ignore-tidy-file-cr
 
 #[path = "json-bom-plus-crlf-multifile-aux.rs"]
 mod json_bom_plus_crlf_multifile_aux;
diff --git a/tests/ui/json/json-bom-plus-crlf-multifile.stderr b/tests/ui/json/json-bom-plus-crlf-multifile.stderr
index 9c88a7e5a2564..b7ac7ffab97f5 100644
--- a/tests/ui/json/json-bom-plus-crlf-multifile.stderr
+++ b/tests/ui/json/json-bom-plus-crlf-multifile.stderr
@@ -24,7 +24,7 @@ This error occurs when an expression was used in a place where the compiler
 expected an expression of a different type. It can occur in several cases, the
 most common being when calling a function and passing an argument which has a
 different type than the matching type in the function declaration.
-"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":622,"byte_end":623,"line_start":17,"line_end":17,"column_start":22,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1;  // Error in the middle of line.","highlight_start":22,"highlight_end":23}],"label":"expected `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":613,"byte_end":619,"line_start":17,"line_end":17,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String = 1;  // Error in the middle of line.","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":623,"byte_end":623,"line_start":17,"line_end":17,"column_start":23,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1;  // Error in the middle of line.","highlight_start":23,"highlight_end":23}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf-multifile-aux.rs:17:22: error[E0308]: mismatched types: expected `String`, found integer
+"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":627,"byte_end":628,"line_start":17,"line_end":17,"column_start":22,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1;  // Error in the middle of line.","highlight_start":22,"highlight_end":23}],"label":"expected `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":618,"byte_end":624,"line_start":17,"line_end":17,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String = 1;  // Error in the middle of line.","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":628,"byte_end":628,"line_start":17,"line_end":17,"column_start":23,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1;  // Error in the middle of line.","highlight_start":23,"highlight_end":23}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf-multifile-aux.rs:17:22: error[E0308]: mismatched types: expected `String`, found integer
 "}
 {"$message_type":"diagnostic","message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.
 
@@ -52,7 +52,7 @@ This error occurs when an expression was used in a place where the compiler
 expected an expression of a different type. It can occur in several cases, the
 most common being when calling a function and passing an argument which has a
 different type than the matching type in the function declaration.
-"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":682,"byte_end":683,"line_start":19,"line_end":19,"column_start":22,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1","highlight_start":22,"highlight_end":23}],"label":"expected `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":673,"byte_end":679,"line_start":19,"line_end":19,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String = 1","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":683,"byte_end":683,"line_start":19,"line_end":19,"column_start":23,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1","highlight_start":23,"highlight_end":23}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf-multifile-aux.rs:19:22: error[E0308]: mismatched types: expected `String`, found integer
+"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":687,"byte_end":688,"line_start":19,"line_end":19,"column_start":22,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1","highlight_start":22,"highlight_end":23}],"label":"expected `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":678,"byte_end":684,"line_start":19,"line_end":19,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String = 1","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":688,"byte_end":688,"line_start":19,"line_end":19,"column_start":23,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1","highlight_start":23,"highlight_end":23}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf-multifile-aux.rs:19:22: error[E0308]: mismatched types: expected `String`, found integer
 "}
 {"$message_type":"diagnostic","message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.
 
@@ -80,7 +80,7 @@ This error occurs when an expression was used in a place where the compiler
 expected an expression of a different type. It can occur in several cases, the
 most common being when calling a function and passing an argument which has a
 different type than the matching type in the function declaration.
-"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":746,"byte_end":747,"line_start":23,"line_end":23,"column_start":1,"column_end":2,"is_primary":true,"text":[{"text":"1;  // Error after the newline.","highlight_start":1,"highlight_end":2}],"label":"expected `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":736,"byte_end":742,"line_start":22,"line_end":22,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String =","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":747,"byte_end":747,"line_start":23,"line_end":23,"column_start":2,"column_end":2,"is_primary":true,"text":[{"text":"1;  // Error after the newline.","highlight_start":2,"highlight_end":2}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf-multifile-aux.rs:23:1: error[E0308]: mismatched types: expected `String`, found integer
+"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":751,"byte_end":752,"line_start":23,"line_end":23,"column_start":1,"column_end":2,"is_primary":true,"text":[{"text":"1;  // Error after the newline.","highlight_start":1,"highlight_end":2}],"label":"expected `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":741,"byte_end":747,"line_start":22,"line_end":22,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String =","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":752,"byte_end":752,"line_start":23,"line_end":23,"column_start":2,"column_end":2,"is_primary":true,"text":[{"text":"1;  // Error after the newline.","highlight_start":2,"highlight_end":2}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf-multifile-aux.rs:23:1: error[E0308]: mismatched types: expected `String`, found integer
 "}
 {"$message_type":"diagnostic","message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.
 
@@ -108,7 +108,7 @@ This error occurs when an expression was used in a place where the compiler
 expected an expression of a different type. It can occur in several cases, the
 most common being when calling a function and passing an argument which has a
 different type than the matching type in the function declaration.
-"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":802,"byte_end":810,"line_start":25,"line_end":26,"column_start":22,"column_end":6,"is_primary":true,"text":[{"text":"    let s : String = (","highlight_start":22,"highlight_end":23},{"text":"    );  // Error spanning the newline.","highlight_start":1,"highlight_end":6}],"label":"expected `String`, found `()`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":793,"byte_end":799,"line_start":25,"line_end":25,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String = (","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"$DIR/json-bom-plus-crlf-multifile-aux.rs:25:22: error[E0308]: mismatched types: expected `String`, found `()`
+"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":807,"byte_end":815,"line_start":25,"line_end":26,"column_start":22,"column_end":6,"is_primary":true,"text":[{"text":"    let s : String = (","highlight_start":22,"highlight_end":23},{"text":"    );  // Error spanning the newline.","highlight_start":1,"highlight_end":6}],"label":"expected `String`, found `()`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf-multifile-aux.rs","byte_start":798,"byte_end":804,"line_start":25,"line_end":25,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String = (","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"$DIR/json-bom-plus-crlf-multifile-aux.rs:25:22: error[E0308]: mismatched types: expected `String`, found `()`
 "}
 {"$message_type":"diagnostic","message":"aborting due to 4 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"error: aborting due to 4 previous errors
 "}
diff --git a/tests/ui/json/json-bom-plus-crlf.rs b/tests/ui/json/json-bom-plus-crlf.rs
index 900a92f368298..81b7246fe8f36 100644
--- a/tests/ui/json/json-bom-plus-crlf.rs
+++ b/tests/ui/json/json-bom-plus-crlf.rs
@@ -3,7 +3,7 @@
 //@ compile-flags: --json=diagnostic-short --error-format=json
 //@ reference: input.byte-order-mark
 //@ reference: input.crlf
-// ignore-tidy-cr
+// ignore-tidy-file-cr
 
 // For easier verifying, the byte offsets in this file should match those
 // in the json_bom_plus_crlf_multifile_aux.rs - given the actual fn is
diff --git a/tests/ui/json/json-bom-plus-crlf.stderr b/tests/ui/json/json-bom-plus-crlf.stderr
index 59f0e8178f0e3..bd4377d11e605 100644
--- a/tests/ui/json/json-bom-plus-crlf.stderr
+++ b/tests/ui/json/json-bom-plus-crlf.stderr
@@ -24,7 +24,7 @@ This error occurs when an expression was used in a place where the compiler
 expected an expression of a different type. It can occur in several cases, the
 most common being when calling a function and passing an argument which has a
 different type than the matching type in the function declaration.
-"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":672,"byte_end":673,"line_start":18,"line_end":18,"column_start":22,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1;  // Error in the middle of line.","highlight_start":22,"highlight_end":23}],"label":"expected `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":663,"byte_end":669,"line_start":18,"line_end":18,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String = 1;  // Error in the middle of line.","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":673,"byte_end":673,"line_start":18,"line_end":18,"column_start":23,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1;  // Error in the middle of line.","highlight_start":23,"highlight_end":23}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf.rs:18:22: error[E0308]: mismatched types: expected `String`, found integer
+"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":677,"byte_end":678,"line_start":18,"line_end":18,"column_start":22,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1;  // Error in the middle of line.","highlight_start":22,"highlight_end":23}],"label":"expected `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":668,"byte_end":674,"line_start":18,"line_end":18,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String = 1;  // Error in the middle of line.","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":678,"byte_end":678,"line_start":18,"line_end":18,"column_start":23,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1;  // Error in the middle of line.","highlight_start":23,"highlight_end":23}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf.rs:18:22: error[E0308]: mismatched types: expected `String`, found integer
 "}
 {"$message_type":"diagnostic","message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.
 
@@ -52,7 +52,7 @@ This error occurs when an expression was used in a place where the compiler
 expected an expression of a different type. It can occur in several cases, the
 most common being when calling a function and passing an argument which has a
 different type than the matching type in the function declaration.
-"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":765,"byte_end":766,"line_start":21,"line_end":21,"column_start":22,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1","highlight_start":22,"highlight_end":23}],"label":"expected `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":756,"byte_end":762,"line_start":21,"line_end":21,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String = 1","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":766,"byte_end":766,"line_start":21,"line_end":21,"column_start":23,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1","highlight_start":23,"highlight_end":23}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf.rs:21:22: error[E0308]: mismatched types: expected `String`, found integer
+"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":770,"byte_end":771,"line_start":21,"line_end":21,"column_start":22,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1","highlight_start":22,"highlight_end":23}],"label":"expected `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":761,"byte_end":767,"line_start":21,"line_end":21,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String = 1","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":771,"byte_end":771,"line_start":21,"line_end":21,"column_start":23,"column_end":23,"is_primary":true,"text":[{"text":"    let s : String = 1","highlight_start":23,"highlight_end":23}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf.rs:21:22: error[E0308]: mismatched types: expected `String`, found integer
 "}
 {"$message_type":"diagnostic","message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.
 
@@ -80,7 +80,7 @@ This error occurs when an expression was used in a place where the compiler
 expected an expression of a different type. It can occur in several cases, the
 most common being when calling a function and passing an argument which has a
 different type than the matching type in the function declaration.
-"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":863,"byte_end":864,"line_start":26,"line_end":26,"column_start":1,"column_end":2,"is_primary":true,"text":[{"text":"1;  // Error after the newline.","highlight_start":1,"highlight_end":2}],"label":"expected `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":853,"byte_end":859,"line_start":25,"line_end":25,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String =","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":864,"byte_end":864,"line_start":26,"line_end":26,"column_start":2,"column_end":2,"is_primary":true,"text":[{"text":"1;  // Error after the newline.","highlight_start":2,"highlight_end":2}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf.rs:26:1: error[E0308]: mismatched types: expected `String`, found integer
+"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":868,"byte_end":869,"line_start":26,"line_end":26,"column_start":1,"column_end":2,"is_primary":true,"text":[{"text":"1;  // Error after the newline.","highlight_start":1,"highlight_end":2}],"label":"expected `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":858,"byte_end":864,"line_start":25,"line_end":25,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String =","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":869,"byte_end":869,"line_start":26,"line_end":26,"column_start":2,"column_end":2,"is_primary":true,"text":[{"text":"1;  // Error after the newline.","highlight_start":2,"highlight_end":2}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf.rs:26:1: error[E0308]: mismatched types: expected `String`, found integer
 "}
 {"$message_type":"diagnostic","message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.
 
@@ -108,7 +108,7 @@ This error occurs when an expression was used in a place where the compiler
 expected an expression of a different type. It can occur in several cases, the
 most common being when calling a function and passing an argument which has a
 different type than the matching type in the function declaration.
-"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":952,"byte_end":960,"line_start":29,"line_end":30,"column_start":22,"column_end":6,"is_primary":true,"text":[{"text":"    let s : String = (","highlight_start":22,"highlight_end":23},{"text":"    );  // Error spanning the newline.","highlight_start":1,"highlight_end":6}],"label":"expected `String`, found `()`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":943,"byte_end":949,"line_start":29,"line_end":29,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String = (","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"$DIR/json-bom-plus-crlf.rs:29:22: error[E0308]: mismatched types: expected `String`, found `()`
+"},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":957,"byte_end":965,"line_start":29,"line_end":30,"column_start":22,"column_end":6,"is_primary":true,"text":[{"text":"    let s : String = (","highlight_start":22,"highlight_end":23},{"text":"    );  // Error spanning the newline.","highlight_start":1,"highlight_end":6}],"label":"expected `String`, found `()`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":948,"byte_end":954,"line_start":29,"line_end":29,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":"    let s : String = (","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"$DIR/json-bom-plus-crlf.rs:29:22: error[E0308]: mismatched types: expected `String`, found `()`
 "}
 {"$message_type":"diagnostic","message":"aborting due to 4 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"error: aborting due to 4 previous errors
 "}
diff --git a/tests/ui/lexer/crlf-in-byte-string-literal.rs b/tests/ui/lexer/crlf-in-byte-string-literal.rs
index 1290133d7014e..8829501807622 100644
--- a/tests/ui/lexer/crlf-in-byte-string-literal.rs
+++ b/tests/ui/lexer/crlf-in-byte-string-literal.rs
@@ -1,7 +1,7 @@
 //! Regression test for <https://github.com/rust-lang/rust/issues/16278>.
 
 //@ run-pass
-// ignore-tidy-cr
+// ignore-tidy-file-cr
 
 // this file has some special \r\n endings (use xxd to see them)
 
diff --git a/tests/ui/lexer/lex-bad-numeric-literals.rs b/tests/ui/lexer/lex-bad-numeric-literals.rs
index 56bdc50e40d68..d6dc177775237 100644
--- a/tests/ui/lexer/lex-bad-numeric-literals.rs
+++ b/tests/ui/lexer/lex-bad-numeric-literals.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 fn main() {
     0o1.0; //~ ERROR: octal float literal is not supported
diff --git a/tests/ui/lexer/lex-bare-cr-nondoc-comment.rs b/tests/ui/lexer/lex-bare-cr-nondoc-comment.rs
index f615ae7e95b75..c39a8ba38fc9a 100644
--- a/tests/ui/lexer/lex-bare-cr-nondoc-comment.rs
+++ b/tests/ui/lexer/lex-bare-cr-nondoc-comment.rs
@@ -1,5 +1,5 @@
 //@ run-pass
-// ignore-tidy-cr
+// ignore-tidy-file-cr
 
 // nondoc comment with bare CR: '
'
 //// nondoc comment with bare CR: '
'
diff --git a/tests/ui/lexer/lex-bare-cr-string-literal-doc-comment.rs b/tests/ui/lexer/lex-bare-cr-string-literal-doc-comment.rs
index b7752e1f0c45f..2be6cd7660d9e 100644
--- a/tests/ui/lexer/lex-bare-cr-string-literal-doc-comment.rs
+++ b/tests/ui/lexer/lex-bare-cr-string-literal-doc-comment.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-cr
+// ignore-tidy-file-cr
 
 /// doc comment with bare CR: '
'
 pub fn foo() {}
diff --git a/tests/ui/lexer/lexer-crlf-line-endings-string-literal-doc-comment.rs b/tests/ui/lexer/lexer-crlf-line-endings-string-literal-doc-comment.rs
index ee193a58ce1b2..2befba829d5c8 100644
--- a/tests/ui/lexer/lexer-crlf-line-endings-string-literal-doc-comment.rs
+++ b/tests/ui/lexer/lexer-crlf-line-endings-string-literal-doc-comment.rs
@@ -1,7 +1,6 @@
 //@ run-pass
 //@ reference: input.crlf
-// ignore-tidy-cr
-// ignore-tidy-cr (repeated again because of tidy bug)
+// ignore-tidy-file-cr
 // license is ignored because tidy can't handle the CRLF here properly.
 
 // N.B., this file needs CRLF line endings. The .gitattributes file in
diff --git a/tests/ui/linkage-attr/raw-dylib/windows/import-name-type-multiple.rs b/tests/ui/linkage-attr/raw-dylib/windows/import-name-type-multiple.rs
index 823748035a85e..8a57ee47e0473 100644
--- a/tests/ui/linkage-attr/raw-dylib/windows/import-name-type-multiple.rs
+++ b/tests/ui/linkage-attr/raw-dylib/windows/import-name-type-multiple.rs
@@ -1,4 +1,3 @@
-// ignore-tidy-linelength
 //@ add-minicore
 //@ compile-flags: --target i686-pc-windows-msvc
 //@ needs-llvm-components: x86
@@ -7,6 +6,7 @@
 #![no_core]
 #![crate_type = "lib"]
 
+// ignore-tidy-linelength
 #[link(name = "foo", kind = "raw-dylib", import_name_type = "decorated", import_name_type = "decorated")]
 //~^ ERROR malformed
 extern "C" { }
diff --git a/tests/ui/linking/link-self-contained-consistency.rs b/tests/ui/linking/link-self-contained-consistency.rs
index e3944fc0360cd..3361035acaa97 100644
--- a/tests/ui/linking/link-self-contained-consistency.rs
+++ b/tests/ui/linking/link-self-contained-consistency.rs
@@ -1,10 +1,11 @@
+// ignore-tidy-file-linelength
+//
 // Checks that self-contained linking components cannot be both enabled and disabled at the same
 // time on the CLI.
 
 //@ revisions: one many
 //@ [one] compile-flags: -Clink-self-contained=-linker -Clink-self-contained=+linker -Zunstable-options
 //@ [many] compile-flags: -Clink-self-contained=+linker,+crto -Clink-self-contained=-linker,-crto -Zunstable-options
-// ignore-tidy-linelength
 
 fn main() {}
 
diff --git a/tests/ui/linking/link-self-contained-linker-disallowed.rs b/tests/ui/linking/link-self-contained-linker-disallowed.rs
index f076eb2017a00..c5a6f7c96e0dc 100644
--- a/tests/ui/linking/link-self-contained-linker-disallowed.rs
+++ b/tests/ui/linking/link-self-contained-linker-disallowed.rs
@@ -1,8 +1,8 @@
+// ignore-tidy-file-linelength
+//
 // Check that only `-C link-self-contained=-linker` is stable on x64 linux. Any other value or
 // target, needs `-Z unstable-options`.
 
-// ignore-tidy-linelength
-
 //@ revisions: unstable_target_positive unstable_target_negative unstable_positive
 //@ [unstable_target_negative] compile-flags: --target=x86_64-unknown-linux-musl -C link-self-contained=-linker --crate-type=rlib
 //@ [unstable_target_negative] needs-llvm-components: x86
diff --git a/tests/ui/linking/linker-features-lld-disallowed.rs b/tests/ui/linking/linker-features-lld-disallowed.rs
index 9b8fa2b11e6b1..e66c36d86994a 100644
--- a/tests/ui/linking/linker-features-lld-disallowed.rs
+++ b/tests/ui/linking/linker-features-lld-disallowed.rs
@@ -1,7 +1,7 @@
 // Check that only `-C linker-features=-lld` is stable on x64 linux. Any other value or target,
 // needs `-Z unstable-options`.
 
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 //@ revisions: unstable_target_positive unstable_target_negative unstable_positive
 //@ [unstable_target_negative] compile-flags: --target=x86_64-unknown-linux-musl -C linker-features=-lld --crate-type=rlib
diff --git a/tests/ui/lint/rfc-2383-lint-reason/expect_nested_lint_levels.rs b/tests/ui/lint/rfc-2383-lint-reason/expect_nested_lint_levels.rs
index 1d365363ceb68..76daba7a4bda9 100644
--- a/tests/ui/lint/rfc-2383-lint-reason/expect_nested_lint_levels.rs
+++ b/tests/ui/lint/rfc-2383-lint-reason/expect_nested_lint_levels.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![warn(unused_mut)]
 
diff --git a/tests/ui/lint/rfc-2383-lint-reason/expect_unfulfilled_expectation.rs b/tests/ui/lint/rfc-2383-lint-reason/expect_unfulfilled_expectation.rs
index ee715bfd5a398..e14380e550f5d 100644
--- a/tests/ui/lint/rfc-2383-lint-reason/expect_unfulfilled_expectation.rs
+++ b/tests/ui/lint/rfc-2383-lint-reason/expect_unfulfilled_expectation.rs
@@ -1,5 +1,5 @@
 //@ check-pass
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![warn(unused_mut)]
 
diff --git a/tests/ui/lint/semicolon-in-expressions-from-macros/foreign-crate.rs b/tests/ui/lint/semicolon-in-expressions-from-macros/foreign-crate.rs
index 6dd9d3d4dee2a..a0fc12470def0 100644
--- a/tests/ui/lint/semicolon-in-expressions-from-macros/foreign-crate.rs
+++ b/tests/ui/lint/semicolon-in-expressions-from-macros/foreign-crate.rs
@@ -1,9 +1,10 @@
 //@ aux-build:foreign-crate.rs
-//@ check-pass
 
 extern crate foreign_crate;
 
-// Test that we do not lint for a macro in a foreign crate
+// Test that we fail with a macro in a foreign crate
 fn main() {
     let _ = foreign_crate::my_macro!();
+    //~^ ERROR trailing semicolon in macro used in expression position
+    //~| WARN this was previously accepted
 }
diff --git a/tests/ui/lint/semicolon-in-expressions-from-macros/foreign-crate.stderr b/tests/ui/lint/semicolon-in-expressions-from-macros/foreign-crate.stderr
new file mode 100644
index 0000000000000..c68de5e4b6d5c
--- /dev/null
+++ b/tests/ui/lint/semicolon-in-expressions-from-macros/foreign-crate.stderr
@@ -0,0 +1,25 @@
+error: trailing semicolon in macro used in expression position
+  --> $DIR/foreign-crate.rs:7:13
+   |
+LL |     let _ = foreign_crate::my_macro!();
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
+   = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
+   = note: this error originates in the macro `foreign_crate::my_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: aborting due to 1 previous error
+
+Future incompatibility report: Future breakage diagnostic:
+error: trailing semicolon in macro used in expression position
+  --> $DIR/foreign-crate.rs:7:13
+   |
+LL |     let _ = foreign_crate::my_macro!();
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
+   = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
+   = note: this error originates in the macro `foreign_crate::my_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
+
diff --git a/tests/ui/lint/suggestions.fixed b/tests/ui/lint/suggestions.fixed
index 66d097b121fbf..698cc3f34499f 100644
--- a/tests/ui/lint/suggestions.fixed
+++ b/tests/ui/lint/suggestions.fixed
@@ -1,4 +1,4 @@
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 //@ run-rustfix
 
 #![warn(unused_mut, unused_parens)] // UI tests pass `-A unused`—see Issue #43896
diff --git a/tests/ui/lint/suggestions.rs b/tests/ui/lint/suggestions.rs
index 2419686a8793b..6e4c389a9c8c2 100644
--- a/tests/ui/lint/suggestions.rs
+++ b/tests/ui/lint/suggestions.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 //@ run-rustfix
 
 #![warn(unused_mut, unused_parens)] // UI tests pass `-A unused`—see Issue #43896
diff --git a/tests/ui/lint/unused/closure-body-issue-136741.fixed b/tests/ui/lint/unused/closure-body-issue-136741.fixed
index 2ded52544b992..d03827486a7d1 100644
--- a/tests/ui/lint/unused/closure-body-issue-136741.fixed
+++ b/tests/ui/lint/unused/closure-body-issue-136741.fixed
@@ -1,5 +1,5 @@
 //@ run-rustfix
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 #![deny(unused_parens)]
 #![deny(unused_braces)]
 
diff --git a/tests/ui/lint/unused/closure-body-issue-136741.rs b/tests/ui/lint/unused/closure-body-issue-136741.rs
index 4eac981ec2ede..5a0fa12935665 100644
--- a/tests/ui/lint/unused/closure-body-issue-136741.rs
+++ b/tests/ui/lint/unused/closure-body-issue-136741.rs
@@ -1,5 +1,5 @@
 //@ run-rustfix
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 #![deny(unused_parens)]
 #![deny(unused_braces)]
 
diff --git a/tests/ui/lint/unused_parens_multibyte_recovery.rs b/tests/ui/lint/unused_parens_multibyte_recovery.rs
index 8f53c7ad26262..f4a3b0740a91a 100644
--- a/tests/ui/lint/unused_parens_multibyte_recovery.rs
+++ b/tests/ui/lint/unused_parens_multibyte_recovery.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-trailing-newlines
+// ignore-tidy-file-trailing-newlines
 
 // Verify that unused parens lint does not try to create a span
 // which points in the middle of a multibyte character.
diff --git a/tests/ui/macros/assert-long-condition.rs b/tests/ui/macros/assert-long-condition.rs
index 1c067438432a6..f8311b57ae7ed 100644
--- a/tests/ui/macros/assert-long-condition.rs
+++ b/tests/ui/macros/assert-long-condition.rs
@@ -1,8 +1,8 @@
 //@ run-fail
 //@ check-run-results
 //@ exec-env:RUST_BACKTRACE=0
-// ignore-tidy-linelength
 
 fn main() {
+    // ignore-tidy-linelength
     assert!(1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 + 20 + 21 + 22 + 23 + 24 + 25 == 0);
 }
diff --git a/tests/ui/macros/auxiliary/semicolon-in-exprs.rs b/tests/ui/macros/auxiliary/semicolon-in-exprs.rs
deleted file mode 100644
index 87a1c1786c1e4..0000000000000
--- a/tests/ui/macros/auxiliary/semicolon-in-exprs.rs
+++ /dev/null
@@ -1,4 +0,0 @@
-#[macro_export]
-macro_rules! outer {
-    ($inner:ident) => { $inner![1, 2, 3]; };
-}
diff --git a/tests/ui/macros/rfc-2011-nicer-assert-messages/all-expr-kinds.rs b/tests/ui/macros/rfc-2011-nicer-assert-messages/all-expr-kinds.rs
index b470cd622d03c..735d055b0796d 100644
--- a/tests/ui/macros/rfc-2011-nicer-assert-messages/all-expr-kinds.rs
+++ b/tests/ui/macros/rfc-2011-nicer-assert-messages/all-expr-kinds.rs
@@ -1,5 +1,5 @@
 //@ edition:2021
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ only-x86_64
 //@ run-pass
 //@ needs-unwind Asserting on contents of error message
diff --git a/tests/ui/macros/rfc-2011-nicer-assert-messages/all-not-available-cases.rs b/tests/ui/macros/rfc-2011-nicer-assert-messages/all-not-available-cases.rs
index 2165037244dca..2486dc0526e43 100644
--- a/tests/ui/macros/rfc-2011-nicer-assert-messages/all-not-available-cases.rs
+++ b/tests/ui/macros/rfc-2011-nicer-assert-messages/all-not-available-cases.rs
@@ -1,5 +1,5 @@
 //@ aux-build:common.rs
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ only-x86_64
 //@ run-pass
 //@ needs-unwind Asserting on contents of error message
diff --git a/tests/ui/macros/rfc-2011-nicer-assert-messages/feature-gate-generic_assert.rs b/tests/ui/macros/rfc-2011-nicer-assert-messages/feature-gate-generic_assert.rs
index a5ceb3d2ecd4c..ef35310f32177 100644
--- a/tests/ui/macros/rfc-2011-nicer-assert-messages/feature-gate-generic_assert.rs
+++ b/tests/ui/macros/rfc-2011-nicer-assert-messages/feature-gate-generic_assert.rs
@@ -1,7 +1,6 @@
 // -Zpanic_abort_tests makes this test work on panic=abort targets and
 // it's a no-op on panic=unwind targets
 //@ compile-flags: --test -Zpanic_abort_tests
-// ignore-tidy-linelength
 //@ run-pass
 
 #![feature(generic_assert)]
@@ -17,6 +16,7 @@ impl Debug for CopyDebug {
   }
 }
 
+// ignore-tidy-linelength
 #[should_panic(expected = "Assertion failed: copy_debug == CopyDebug(3)\nWith captures:\n  copy_debug = With great power comes great electricity bills\n")]
 #[test]
 fn test() {
diff --git a/tests/ui/macros/semicolon-in-exprs.rs b/tests/ui/macros/semicolon-in-exprs.rs
deleted file mode 100644
index 1d6c9d895f067..0000000000000
--- a/tests/ui/macros/semicolon-in-exprs.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-//! Regression test for https://github.com/rust-lang/rust/issues/156084.
-//! This test can probably be removed again once
-//! `semicolon_in_expressions_from_macros` is a hard error.
-//@ check-pass
-//@ aux-build:semicolon-in-exprs.rs
-//@ edition: 2021
-
-extern crate semicolon_in_exprs;
-
-macro_rules! inner {
-    [$($x:expr),*] => { [$($x),*] };
-}
-fn main() {
-    let _v: Vec<i32> = semicolon_in_exprs::outer!(inner).into_iter().collect();
-}
diff --git a/tests/ui/match/match-stack-overflow-72933-.rs b/tests/ui/match/match-stack-overflow-72933-.rs
index 0883278be8391..f1b1e527a38dd 100644
--- a/tests/ui/match/match-stack-overflow-72933-.rs
+++ b/tests/ui/match/match-stack-overflow-72933-.rs
@@ -1,6 +1,6 @@
 //! regression test for issue #72933
 //@ build-pass
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 #![crate_type = "rlib"]
 
 fn banana(v: &str) -> u32 {
diff --git a/tests/ui/methods/method-lookup-order.rs b/tests/ui/methods/method-lookup-order.rs
index ad56da966867d..912bb8f9a0fed 100644
--- a/tests/ui/methods/method-lookup-order.rs
+++ b/tests/ui/methods/method-lookup-order.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 //@ run-pass
 #![allow(dead_code)]
diff --git a/tests/ui/mir/issue-29227.rs b/tests/ui/mir/issue-29227.rs
index 4e4fbf50ceb1a..cc0ed403ec1c3 100644
--- a/tests/ui/mir/issue-29227.rs
+++ b/tests/ui/mir/issue-29227.rs
@@ -1,5 +1,5 @@
 //@ run-pass
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 // Regression test for #29227. The problem here was that MIR
 // construction for these gigantic match expressions was very
diff --git a/tests/ui/modules/mod_file_aux.rs b/tests/ui/modules/mod_file_aux.rs
index 9e2ec534eb169..d0995acf305c3 100644
--- a/tests/ui/modules/mod_file_aux.rs
+++ b/tests/ui/modules/mod_file_aux.rs
@@ -1,4 +1,4 @@
-//@ ignore-auxiliary (used by `./mod_file_with_path_attr.rs` and `mod_file.rs` and `mod_file_correct_spans.rs`)
 // ignore-tidy-linelength
+//@ ignore-auxiliary (used by `./mod_file_with_path_attr.rs` and `mod_file.rs` and `mod_file_correct_spans.rs`)
 
 pub fn foo() -> isize { 10 }
diff --git a/tests/ui/on-unimplemented/on-trait.rs b/tests/ui/on-unimplemented/on-trait.rs
index 0639d36eff409..b327a4a03917b 100644
--- a/tests/ui/on-unimplemented/on-trait.rs
+++ b/tests/ui/on-unimplemented/on-trait.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![feature(rustc_attrs)]
 
diff --git a/tests/ui/parser/bad-char-literals.rs b/tests/ui/parser/bad-char-literals.rs
index c3d55d3f7e3bf..b940673a724da 100644
Binary files a/tests/ui/parser/bad-char-literals.rs and b/tests/ui/parser/bad-char-literals.rs differ
diff --git a/tests/ui/parser/byte-literals.rs b/tests/ui/parser/byte-literals.rs
index 896dc1a1a5fba..d831c33b5e2f0 100644
--- a/tests/ui/parser/byte-literals.rs
+++ b/tests/ui/parser/byte-literals.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 
 static FOO: u8 = b'\f';  //~ ERROR unknown byte escape
 
diff --git a/tests/ui/parser/float-literals.rs b/tests/ui/parser/float-literals.rs
index d8ee59bca82b6..7bb588a8aacf9 100644
--- a/tests/ui/parser/float-literals.rs
+++ b/tests/ui/parser/float-literals.rs
@@ -1,8 +1,8 @@
 //@ build-pass
-// ignore-tidy-linelength
 // Regression test for #31109 and #31407.
 
 pub fn main() {
+    // ignore-tidy-linelength
     let _: f64 = 0.3333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333;
 
     let _: f64 = 1234567890123456789012345678901234567890e-340;
diff --git a/tests/ui/parser/issues/issue-58094-missing-right-square-bracket.rs b/tests/ui/parser/issues/issue-58094-missing-right-square-bracket.rs
index 0c0fbd7d5929b..a225d3a66aafc 100644
--- a/tests/ui/parser/issues/issue-58094-missing-right-square-bracket.rs
+++ b/tests/ui/parser/issues/issue-58094-missing-right-square-bracket.rs
@@ -1,4 +1,4 @@
 // Fixed in #66054.
-// ignore-tidy-trailing-newlines
+// ignore-tidy-file-trailing-newlines
 //~v ERROR this file contains an unclosed delimiter
 #[Ѕ
\ No newline at end of file
diff --git a/tests/ui/parser/issues/issue-62524.rs b/tests/ui/parser/issues/issue-62524.rs
index a8c7d6eb9fdd1..2812f0fd6992a 100644
--- a/tests/ui/parser/issues/issue-62524.rs
+++ b/tests/ui/parser/issues/issue-62524.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-trailing-newlines
+// ignore-tidy-file-trailing-newlines
 
 #![allow(uncommon_codepoints)]
 
diff --git a/tests/ui/parser/issues/issue-62973.rs b/tests/ui/parser/issues/issue-62973.rs
index a091e4eec1d92..035b33ddb8eb1 100644
--- a/tests/ui/parser/issues/issue-62973.rs
+++ b/tests/ui/parser/issues/issue-62973.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-trailing-newlines
+// ignore-tidy-file-trailing-newlines
 
 fn main() {}
 
diff --git a/tests/ui/parser/issues/issue-68730.rs b/tests/ui/parser/issues/issue-68730.rs
index 9cf51b720eb38..24f93bb649d83 100644
Binary files a/tests/ui/parser/issues/issue-68730.rs and b/tests/ui/parser/issues/issue-68730.rs differ
diff --git a/tests/ui/parser/issues/issue-83639.rs b/tests/ui/parser/issues/issue-83639.rs
index d22ef9b09e610..bef74da54dca6 100644
--- a/tests/ui/parser/issues/issue-83639.rs
+++ b/tests/ui/parser/issues/issue-83639.rs
@@ -1,5 +1,5 @@
 //@ check-fail
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 
 fn main() {
     """	" //~ ERROR
diff --git a/tests/ui/parser/macro/macro-missing-right-paren.rs b/tests/ui/parser/macro/macro-missing-right-paren.rs
index 851919316647d..b62c5af10d540 100644
--- a/tests/ui/parser/macro/macro-missing-right-paren.rs
+++ b/tests/ui/parser/macro/macro-missing-right-paren.rs
@@ -1,3 +1,3 @@
-// ignore-tidy-trailing-newlines
+// ignore-tidy-file-trailing-newlines
 //~v ERROR this file contains an unclosed delimiter
 macro_rules! abc(ؼ
\ No newline at end of file
diff --git a/tests/ui/parser/missing_right_paren.rs b/tests/ui/parser/missing_right_paren.rs
index 311a16c214c39..87a9316a1a3a7 100644
--- a/tests/ui/parser/missing_right_paren.rs
+++ b/tests/ui/parser/missing_right_paren.rs
@@ -1,3 +1,3 @@
-// ignore-tidy-trailing-newlines
+// ignore-tidy-file-trailing-newlines
 //~v ERROR this file contains an unclosed delimiter
 fn main((ؼ
\ No newline at end of file
diff --git a/tests/ui/parser/parser-ice-ed2021-await-105210.rs b/tests/ui/parser/parser-ice-ed2021-await-105210.rs
index 95383cc81c21e..1bf5268e0a40b 100644
--- a/tests/ui/parser/parser-ice-ed2021-await-105210.rs
+++ b/tests/ui/parser/parser-ice-ed2021-await-105210.rs
@@ -1,5 +1,5 @@
 // ICE #105210 self.lines.iter().all(|r| !r.iter().any(|sc| sc.chr == \'\\t\'))
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 //@ edition:2021
 pub fn main() {}
 
diff --git a/tests/ui/parser/raw/raw-byte-string-literals.rs b/tests/ui/parser/raw/raw-byte-string-literals.rs
index 1b859fee596ad..5cde537b72a30 100644
--- a/tests/ui/parser/raw/raw-byte-string-literals.rs
+++ b/tests/ui/parser/raw/raw-byte-string-literals.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-cr
+// ignore-tidy-file-cr
 
 pub fn main() {
     br"a
"; //~ ERROR bare CR not allowed in raw string
diff --git a/tests/ui/parser/raw/raw-string-literals.rs b/tests/ui/parser/raw/raw-string-literals.rs
index 2272f268b3675..05d8dea04d956 100644
Binary files a/tests/ui/parser/raw/raw-string-literals.rs and b/tests/ui/parser/raw/raw-string-literals.rs differ
diff --git a/tests/ui/parser/raw/too-many-hash.rs b/tests/ui/parser/raw/too-many-hash.rs
index f3d3b207fad6b..deebdfd71b13c 100644
--- a/tests/ui/parser/raw/too-many-hash.rs
+++ b/tests/ui/parser/raw/too-many-hash.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 fn main() {
     let s: &str = r################################################################################################################################################################################################################################################################"very raw"################################################################################################################################################################################################################################################################;
diff --git a/tests/ui/parser/several-carriage-returns-in-doc-comment.rs b/tests/ui/parser/several-carriage-returns-in-doc-comment.rs
index ee14c55d292a7..3f71e8062f215 100644
--- a/tests/ui/parser/several-carriage-returns-in-doc-comment.rs
+++ b/tests/ui/parser/several-carriage-returns-in-doc-comment.rs
@@ -1,5 +1,5 @@
 // Issue #62863
-// ignore-tidy-cr
+// ignore-tidy-file-cr
 
 // Note: if you see ^M in this file, that's how your editor renders literal `\r`
 
diff --git a/tests/ui/parser/shebang/shebang-space.rs b/tests/ui/parser/shebang/shebang-space.rs
index a184b6856ddfc..247d66965752a 100644
--- a/tests/ui/parser/shebang/shebang-space.rs
+++ b/tests/ui/parser/shebang/shebang-space.rs
@@ -2,5 +2,5 @@
 
 //@ check-pass
 //@ reference: shebang.syntax
-// ignore-tidy-end-whitespace
+// ignore-tidy-file-end-whitespace
 fn main() {}
diff --git a/tests/ui/parser/slowparse-bstring.rs b/tests/ui/parser/slowparse-bstring.rs
index facfa8bb8529b..232aa541adfb2 100644
--- a/tests/ui/parser/slowparse-bstring.rs
+++ b/tests/ui/parser/slowparse-bstring.rs
@@ -1,6 +1,6 @@
 //@ run-pass
-// ignore-tidy-linelength
 
 // Issue #16624
 
+// ignore-tidy-linelength
 fn main() { b"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx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xx"; }
diff --git a/tests/ui/parser/slowparse-string.rs b/tests/ui/parser/slowparse-string.rs
index 977aa7c8766f9..4e544eea87ca4 100644
--- a/tests/ui/parser/slowparse-string.rs
+++ b/tests/ui/parser/slowparse-string.rs
@@ -1,6 +1,6 @@
 //@ run-pass
-// ignore-tidy-linelength
 
 // Issue #16624
 
+// ignore-tidy-linelength
 fn main() { "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx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x"; }
diff --git a/tests/ui/parser/survive-peano-lesson-queue.rs b/tests/ui/parser/survive-peano-lesson-queue.rs
index 3608728594ed1..921a83fb1f8b0 100644
--- a/tests/ui/parser/survive-peano-lesson-queue.rs
+++ b/tests/ui/parser/survive-peano-lesson-queue.rs
@@ -1,6 +1,6 @@
 //@ build-pass
-// ignore-tidy-filelength
-// ignore-tidy-linelength
+// ignore-tidy-file-filelength
+// ignore-tidy-file-linelength
 // some very lightly modified generated code from issue rust-lang/rust#122715
 // the main differences are to strip the dependency on bumpalo so it can be tested separately
 // the original purpose of this code was to implement a binomial queue, however it is extracted from Gallina
diff --git a/tests/ui/parser/trailing-carriage-return-in-string.rs b/tests/ui/parser/trailing-carriage-return-in-string.rs
index 5d3c31944064a..9d7f5a9b990d0 100644
--- a/tests/ui/parser/trailing-carriage-return-in-string.rs
+++ b/tests/ui/parser/trailing-carriage-return-in-string.rs
@@ -1,6 +1,6 @@
 // Issue #11669
 
-// ignore-tidy-cr
+// ignore-tidy-file-cr
 
 fn main() {
     // \r\n
diff --git a/tests/ui/pointer_authentication/enable_pointer_authentication_validation.all_unknown.stderr b/tests/ui/pointer_authentication/enable_pointer_authentication_validation.all_unknown.stderr
new file mode 100644
index 0000000000000..47e61f2b8be73
--- /dev/null
+++ b/tests/ui/pointer_authentication/enable_pointer_authentication_validation.all_unknown.stderr
@@ -0,0 +1,2 @@
+error: incorrect value `+I,+do,-not,-exist` for unstable option `pointer-authentication` - a comma-separated list of options, each of the form `+<name>` or `-<name>`, where `<name>` is one of: `aarch64-jump-table-hardening`, `auth-traps`, `calls`, `elf-got`, `function-pointer-type-discrimination`, `indirect-gotos`, `init-fini`, `init-fini-address-discrimination`, `intrinsics`, `return-addresses`, `typeinfo-vt-ptr-discrimination`, `vt-ptr-addr-discrimination` or `vt-ptr-type-discrimination` was expected
+
diff --git a/tests/ui/pointer_authentication/enable_pointer_authentication_validation.empty.stderr b/tests/ui/pointer_authentication/enable_pointer_authentication_validation.empty.stderr
new file mode 100644
index 0000000000000..9a4cd16c15a14
--- /dev/null
+++ b/tests/ui/pointer_authentication/enable_pointer_authentication_validation.empty.stderr
@@ -0,0 +1,2 @@
+error: incorrect value `` for unstable option `pointer-authentication` - a comma-separated list of options, each of the form `+<name>` or `-<name>`, where `<name>` is one of: `aarch64-jump-table-hardening`, `auth-traps`, `calls`, `elf-got`, `function-pointer-type-discrimination`, `indirect-gotos`, `init-fini`, `init-fini-address-discrimination`, `intrinsics`, `return-addresses`, `typeinfo-vt-ptr-discrimination`, `vt-ptr-addr-discrimination` or `vt-ptr-type-discrimination` was expected
+
diff --git a/tests/ui/pointer_authentication/enable_pointer_authentication_validation.mixed.stderr b/tests/ui/pointer_authentication/enable_pointer_authentication_validation.mixed.stderr
new file mode 100644
index 0000000000000..ea8b9250f31b9
--- /dev/null
+++ b/tests/ui/pointer_authentication/enable_pointer_authentication_validation.mixed.stderr
@@ -0,0 +1,2 @@
+error: incorrect value `+elf-got,-imaginary` for unstable option `pointer-authentication` - a comma-separated list of options, each of the form `+<name>` or `-<name>`, where `<name>` is one of: `aarch64-jump-table-hardening`, `auth-traps`, `calls`, `elf-got`, `function-pointer-type-discrimination`, `indirect-gotos`, `init-fini`, `init-fini-address-discrimination`, `intrinsics`, `return-addresses`, `typeinfo-vt-ptr-discrimination`, `vt-ptr-addr-discrimination` or `vt-ptr-type-discrimination` was expected
+
diff --git a/tests/ui/pointer_authentication/enable_pointer_authentication_validation.rs b/tests/ui/pointer_authentication/enable_pointer_authentication_validation.rs
new file mode 100644
index 0000000000000..d7306508f39d4
--- /dev/null
+++ b/tests/ui/pointer_authentication/enable_pointer_authentication_validation.rs
@@ -0,0 +1,24 @@
+//@ ignore-backends: gcc
+//@ revisions: empty unprefixed all_unknown all_known mixed
+
+//@[empty] needs-llvm-components: aarch64
+//@[empty] compile-flags: --target aarch64-unknown-linux-pauthtest -Zpointer-authentication=
+//@[unprefixed] needs-llvm-components: aarch64
+//@[unprefixed] compile-flags: --target aarch64-unknown-linux-pauthtest -Zpointer-authentication=auth-traps
+//@[all_unknown] needs-llvm-components: aarch64
+//@[all_unknown] compile-flags: --target aarch64-unknown-linux-pauthtest -Zpointer-authentication=+I,+do,-not,-exist
+//@[all_known] check-pass
+//@[all_known] needs-llvm-components: aarch64
+//@[all_known] compile-flags: --target aarch64-unknown-linux-pauthtest -Zpointer-authentication=+elf-got,-init-fini
+//@[mixed] needs-llvm-components: aarch64
+//@[mixed] compile-flags: --target aarch64-unknown-linux-pauthtest -Zpointer-authentication=+elf-got,-imaginary
+
+#![feature(no_core)]
+#![no_std]
+#![no_main]
+#![no_core]
+
+//[empty]~? ERROR incorrect value `` for unstable option `pointer-authentication`
+//[unprefixed]~? ERROR incorrect value `auth-traps` for unstable option `pointer-authentication`
+//[all_unknown]~? ERROR incorrect value `+I,+do,-not,-exist` for unstable option `pointer-authentication`
+//[mixed]~? ERROR incorrect value `+elf-got,-imaginary` for unstable option `pointer-authentication`
diff --git a/tests/ui/pointer_authentication/enable_pointer_authentication_validation.unprefixed.stderr b/tests/ui/pointer_authentication/enable_pointer_authentication_validation.unprefixed.stderr
new file mode 100644
index 0000000000000..c6ff1e36350ee
--- /dev/null
+++ b/tests/ui/pointer_authentication/enable_pointer_authentication_validation.unprefixed.stderr
@@ -0,0 +1,2 @@
+error: incorrect value `auth-traps` for unstable option `pointer-authentication` - a comma-separated list of options, each of the form `+<name>` or `-<name>`, where `<name>` is one of: `aarch64-jump-table-hardening`, `auth-traps`, `calls`, `elf-got`, `function-pointer-type-discrimination`, `indirect-gotos`, `init-fini`, `init-fini-address-discrimination`, `intrinsics`, `return-addresses`, `typeinfo-vt-ptr-discrimination`, `vt-ptr-addr-discrimination` or `vt-ptr-type-discrimination` was expected
+
diff --git a/tests/ui/pointer_authentication/invalid_target_pointer_authentication.rs b/tests/ui/pointer_authentication/invalid_target_pointer_authentication.rs
new file mode 100644
index 0000000000000..2d8b3b7a1915d
--- /dev/null
+++ b/tests/ui/pointer_authentication/invalid_target_pointer_authentication.rs
@@ -0,0 +1,11 @@
+//@ ignore-backends: gcc
+//@ check-pass
+//@ needs-llvm-components: aarch64
+
+//@ compile-flags: -Zpointer-authentication=-elf-got --crate-type=lib --target aarch64-unknown-linux-gnu
+
+#![feature(no_core)]
+#![no_std]
+#![no_main]
+#![no_core]
+//~? WARN `-Z pointer-authentication` is not supported for target aarch64-unknown-linux-gnu and will be ignored
diff --git a/tests/ui/pointer_authentication/invalid_target_pointer_authentication.stderr b/tests/ui/pointer_authentication/invalid_target_pointer_authentication.stderr
new file mode 100644
index 0000000000000..1b1a33fd16c2b
--- /dev/null
+++ b/tests/ui/pointer_authentication/invalid_target_pointer_authentication.stderr
@@ -0,0 +1,4 @@
+warning: `-Z pointer-authentication` is not supported for target aarch64-unknown-linux-gnu and will be ignored
+
+warning: 1 warning emitted
+
diff --git a/tests/ui/pointer_authentication/type_discrimination_not_supported_pointer_authentication.rs b/tests/ui/pointer_authentication/type_discrimination_not_supported_pointer_authentication.rs
new file mode 100644
index 0000000000000..6838e749fd333
--- /dev/null
+++ b/tests/ui/pointer_authentication/type_discrimination_not_supported_pointer_authentication.rs
@@ -0,0 +1,12 @@
+//@ ignore-backends: gcc
+//@ check-fail
+//@ needs-llvm-components: aarch64
+
+//@ compile-flags: -Zpointer-authentication=+function-pointer-type-discrimination --crate-type=lib --target aarch64-unknown-linux-pauthtest
+
+#![feature(no_core)]
+#![no_std]
+#![no_main]
+#![no_core]
+
+//~? ERROR function pointer type discrimination is not supported
diff --git a/tests/ui/pointer_authentication/type_discrimination_not_supported_pointer_authentication.stderr b/tests/ui/pointer_authentication/type_discrimination_not_supported_pointer_authentication.stderr
new file mode 100644
index 0000000000000..c040b0cb61f66
--- /dev/null
+++ b/tests/ui/pointer_authentication/type_discrimination_not_supported_pointer_authentication.stderr
@@ -0,0 +1,4 @@
+error: function pointer type discrimination is not supported
+
+error: aborting due to 1 previous error
+
diff --git a/tests/ui/proc-macro/auxiliary/api/literal.rs b/tests/ui/proc-macro/auxiliary/api/literal.rs
index 176a05fa4264c..890be9c290f1b 100644
--- a/tests/ui/proc-macro/auxiliary/api/literal.rs
+++ b/tests/ui/proc-macro/auxiliary/api/literal.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 use proc_macro::{EscapeError, Literal, ConversionErrorKind};
 
diff --git a/tests/ui/proc-macro/auxiliary/custom-quote.rs b/tests/ui/proc-macro/auxiliary/custom-quote.rs
index bccbed8a6b492..324af9c3fd89c 100644
--- a/tests/ui/proc-macro/auxiliary/custom-quote.rs
+++ b/tests/ui/proc-macro/auxiliary/custom-quote.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 #![feature(proc_macro_quote)]
 
diff --git a/tests/ui/proc-macro/meta-macro-hygiene.rs b/tests/ui/proc-macro/meta-macro-hygiene.rs
index afe0e1fb601a1..d6925574892f4 100644
--- a/tests/ui/proc-macro/meta-macro-hygiene.rs
+++ b/tests/ui/proc-macro/meta-macro-hygiene.rs
@@ -1,9 +1,10 @@
+// ignore-tidy-file-linelength
+//
 //@ aux-build:make-macro.rs
 //@ proc-macro: meta-macro.rs
 //@ edition:2018
 //@ compile-flags: -Z span-debug -Z macro-backtrace -Z unpretty=expanded,hygiene -Z trim-diagnostic-paths=no
 //@ check-pass
-// ignore-tidy-linelength
 //@ normalize-stdout: "\d+#" -> "0#"
 //@ normalize-stdout: "expn\d{3,}" -> "expnNNN"
 //@ normalize-stdout: "extern crate compiler_builtins /\* \d+ \*/" -> "extern crate compiler_builtins /* NNN */"
diff --git a/tests/ui/proc-macro/meta-macro-hygiene.stdout b/tests/ui/proc-macro/meta-macro-hygiene.stdout
index a03e567bd48aa..6dea8709019bc 100644
--- a/tests/ui/proc-macro/meta-macro-hygiene.stdout
+++ b/tests/ui/proc-macro/meta-macro-hygiene.stdout
@@ -1,13 +1,14 @@
 Def site: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#4)
-Input: TokenStream [Ident { ident: "$crate", span: $DIR/meta-macro-hygiene.rs:26:37: 26:43 (#3) }, Punct { ch: ':', spacing: Joint, span: $DIR/meta-macro-hygiene.rs:26:43: 26:44 (#3) }, Punct { ch: ':', spacing: Alone, span: $DIR/meta-macro-hygiene.rs:26:44: 26:45 (#3) }, Ident { ident: "dummy", span: $DIR/meta-macro-hygiene.rs:26:45: 26:50 (#3) }, Punct { ch: '!', spacing: Alone, span: $DIR/meta-macro-hygiene.rs:26:50: 26:51 (#3) }, Group { delimiter: Parenthesis, stream: TokenStream [], span: $DIR/meta-macro-hygiene.rs:26:51: 26:53 (#3) }]
+Input: TokenStream [Ident { ident: "$crate", span: $DIR/meta-macro-hygiene.rs:27:37: 27:43 (#3) }, Punct { ch: ':', spacing: Joint, span: $DIR/meta-macro-hygiene.rs:27:43: 27:44 (#3) }, Punct { ch: ':', spacing: Alone, span: $DIR/meta-macro-hygiene.rs:27:44: 27:45 (#3) }, Ident { ident: "dummy", span: $DIR/meta-macro-hygiene.rs:27:45: 27:50 (#3) }, Punct { ch: '!', spacing: Alone, span: $DIR/meta-macro-hygiene.rs:27:50: 27:51 (#3) }, Group { delimiter: Parenthesis, stream: TokenStream [], span: $DIR/meta-macro-hygiene.rs:27:51: 27:53 (#3) }]
 Respanned: TokenStream [Ident { ident: "$crate", span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#4) }, Punct { ch: ':', spacing: Joint, span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#4) }, Punct { ch: ':', spacing: Alone, span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#4) }, Ident { ident: "dummy", span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#4) }, Punct { ch: '!', spacing: Alone, span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#4) }, Group { delimiter: Parenthesis, stream: TokenStream [], span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#4) }]
 #![feature /* 0#0 */(prelude_import /* 0#0 */)]
+// ignore-tidy-file-linelength
+//
 //@ aux-build:make-macro.rs
 //@ proc-macro: meta-macro.rs
 //@ edition:2018
 //@ compile-flags: -Z span-debug -Z macro-backtrace -Z unpretty=expanded,hygiene -Z trim-diagnostic-paths=no
 //@ check-pass
-// ignore-tidy-linelength
 //@ normalize-stdout: "\d+#" -> "0#"
 //@ normalize-stdout: "expn\d{3,}" -> "expnNNN"
 //@ normalize-stdout: "extern crate compiler_builtins /\* \d+ \*/" -> "extern crate compiler_builtins /* NNN */"
diff --git a/tests/ui/proc-macro/nonterminal-token-hygiene.rs b/tests/ui/proc-macro/nonterminal-token-hygiene.rs
index b7b0d1ea3dd7c..c2c9adc8e7660 100644
--- a/tests/ui/proc-macro/nonterminal-token-hygiene.rs
+++ b/tests/ui/proc-macro/nonterminal-token-hygiene.rs
@@ -1,9 +1,11 @@
+// ignore-tidy-file-linelength
+//
 // Make sure that marks from declarative macros are applied to tokens in nonterminal.
 
 //@ check-pass
 //@ compile-flags: -Z span-debug -Z macro-backtrace -Z unpretty=expanded,hygiene
 //@ compile-flags: -Z trim-diagnostic-paths=no
-// ignore-tidy-linelength
+//
 //@ normalize-stdout: "\d+#" -> "0#"
 //@ normalize-stdout: "expn\d{3,}" -> "expnNNN"
 //@ normalize-stdout: "extern crate compiler_builtins /\* \d+ \*/" -> "extern crate compiler_builtins /* NNN */"
diff --git a/tests/ui/proc-macro/nonterminal-token-hygiene.stdout b/tests/ui/proc-macro/nonterminal-token-hygiene.stdout
index 61b55782e6e9d..9e54a21735e58 100644
--- a/tests/ui/proc-macro/nonterminal-token-hygiene.stdout
+++ b/tests/ui/proc-macro/nonterminal-token-hygiene.stdout
@@ -5,29 +5,31 @@ PRINT-BANG INPUT (DEBUG): TokenStream [
         stream: TokenStream [
             Ident {
                 ident: "struct",
-                span: $DIR/nonterminal-token-hygiene.rs:33:5: 33:11 (#5),
+                span: $DIR/nonterminal-token-hygiene.rs:35:5: 35:11 (#5),
             },
             Ident {
                 ident: "S",
-                span: $DIR/nonterminal-token-hygiene.rs:33:12: 33:13 (#5),
+                span: $DIR/nonterminal-token-hygiene.rs:35:12: 35:13 (#5),
             },
             Punct {
                 ch: ';',
                 spacing: Alone,
-                span: $DIR/nonterminal-token-hygiene.rs:33:13: 33:14 (#5),
+                span: $DIR/nonterminal-token-hygiene.rs:35:13: 35:14 (#5),
             },
         ],
-        span: $DIR/nonterminal-token-hygiene.rs:23:27: 23:32 (#4),
+        span: $DIR/nonterminal-token-hygiene.rs:25:27: 25:32 (#4),
     },
 ]
 #![feature /* 0#0 */(prelude_import /* 0#0 */)]
 #![no_std /* 0#0 */]
+// ignore-tidy-file-linelength
+//
 // Make sure that marks from declarative macros are applied to tokens in nonterminal.
 
 //@ check-pass
 //@ compile-flags: -Z span-debug -Z macro-backtrace -Z unpretty=expanded,hygiene
 //@ compile-flags: -Z trim-diagnostic-paths=no
-// ignore-tidy-linelength
+//
 //@ normalize-stdout: "\d+#" -> "0#"
 //@ normalize-stdout: "expn\d{3,}" -> "expnNNN"
 //@ normalize-stdout: "extern crate compiler_builtins /\* \d+ \*/" -> "extern crate compiler_builtins /* NNN */"
diff --git a/tests/ui/proc-macro/span-absolute-posititions.rs b/tests/ui/proc-macro/span-absolute-posititions.rs
index fc9f06a9e9fc0..9c2bbc8d27441 100644
--- a/tests/ui/proc-macro/span-absolute-posititions.rs
+++ b/tests/ui/proc-macro/span-absolute-posititions.rs
@@ -1,5 +1,5 @@
 //@ proc-macro: assert-span-pos.rs
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 extern crate assert_span_pos;
 
 assert_span_pos::assert_span_pos!(5, 35);
diff --git a/tests/ui/recursion/many-statements-no-overflow.rs b/tests/ui/recursion/many-statements-no-overflow.rs
index 79431f2b39636..29aec4e613acd 100644
--- a/tests/ui/recursion/many-statements-no-overflow.rs
+++ b/tests/ui/recursion/many-statements-no-overflow.rs
@@ -1,6 +1,6 @@
 //! Regression test for <https://github.com/rust-lang/rust/issues/29466>.
 //! This used to overflow stack.
-// ignore-tidy-filelength
+// ignore-tidy-file-filelength
 //@ run-pass
 // FIXME(#61117): Respect debuginfo-level-tests, do not force debuginfo-level=0
 //@ compile-flags: -Cdebuginfo=0
diff --git a/tests/ui/rust-2024/reserved-guarded-strings.rs b/tests/ui/rust-2024/reserved-guarded-strings.rs
index ae4bd670fcad9..86d635851349d 100644
--- a/tests/ui/rust-2024/reserved-guarded-strings.rs
+++ b/tests/ui/rust-2024/reserved-guarded-strings.rs
@@ -1,5 +1,5 @@
 //@ edition:2024
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 macro_rules! demo1 {
     ( $a:tt ) => { println!("one tokens") };
diff --git a/tests/ui/simd/dont-invalid-bitcast-x86_64.rs b/tests/ui/simd/dont-invalid-bitcast-x86_64.rs
index e6e435bcfc902..7cc1a2dc27c57 100644
--- a/tests/ui/simd/dont-invalid-bitcast-x86_64.rs
+++ b/tests/ui/simd/dont-invalid-bitcast-x86_64.rs
@@ -1,7 +1,7 @@
 //@ build-pass
 //@ compile-flags: -Copt-level=3
 //@ only-x86_64
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 
 // regression test for https://github.com/rust-lang/rust/issues/110707
 // in --release we were optimizing to invalid bitcasts, due to a combination of MIR inlining and
diff --git a/tests/ui/span/issue-107353.rs b/tests/ui/span/issue-107353.rs
index 6919c95058faf..2cc7ecad13882 100644
--- a/tests/ui/span/issue-107353.rs
+++ b/tests/ui/span/issue-107353.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 // Verify that span interning correctly handles having a span of exactly MAX_LEN length.
 //@ compile-flags: --crate-type=lib
 //@ check-pass
diff --git a/tests/ui/splat/splat-255-limit-fail.rs b/tests/ui/splat/splat-255-limit-fail.rs
index f19ce37bc4566..1e582ae6d9cf2 100644
--- a/tests/ui/splat/splat-255-limit-fail.rs
+++ b/tests/ui/splat/splat-255-limit-fail.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //! Test `#[splat]` fails over the 255th argument index (or higher).
 //! FIXME(splat): The 255 argument limit is a temporary performance hack.
 
diff --git a/tests/ui/splat/splat-255-limit-pass.rs b/tests/ui/splat/splat-255-limit-pass.rs
index 9713616830f9b..2c892669225f6 100644
--- a/tests/ui/splat/splat-255-limit-pass.rs
+++ b/tests/ui/splat/splat-255-limit-pass.rs
@@ -1,5 +1,5 @@
 //@ run-pass
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //! Test `#[splat]` on the 255th argument index (or lower).
 //! FIXME(splat): The 255 argument limit is a temporary performance hack.
 
diff --git a/tests/ui/splat/splat-overload-at-home.rs b/tests/ui/splat/splat-overload-at-home.rs
index 621f0e04f67e1..a470a296ca380 100644
--- a/tests/ui/splat/splat-overload-at-home.rs
+++ b/tests/ui/splat/splat-overload-at-home.rs
@@ -1,5 +1,5 @@
 //@ run-pass
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //! Test using `#[splat]` on some "overloading at home" example code.
 //! <https://internals.rust-lang.org/t/pre-pre-rfc-splatting-for-named-arguments-and-function-overloading/24012>
 
diff --git a/tests/ui/str/str-add-operator.rs b/tests/ui/str/str-add-operator.rs
index 9c489f2091f8b..0af4618851bf2 100644
--- a/tests/ui/str/str-add-operator.rs
+++ b/tests/ui/str/str-add-operator.rs
@@ -1,5 +1,5 @@
 //! regression test for issue #47377, #47380
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 fn main() {
  	let b = "hello";
  	let _a = b + ", World!";
diff --git a/tests/ui/str/str-escape.rs b/tests/ui/str/str-escape.rs
index 6902fe50662cf..1c0aee1a98599 100644
--- a/tests/ui/str/str-escape.rs
+++ b/tests/ui/str/str-escape.rs
@@ -1,5 +1,5 @@
 //@ check-pass
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 //@ edition: 2021
 
 fn main() {
diff --git a/tests/ui/symbol-names/basic.legacy.stderr b/tests/ui/symbol-names/basic.legacy.stderr
index 59085aeb3279b..9c30ebdf30b88 100644
--- a/tests/ui/symbol-names/basic.legacy.stderr
+++ b/tests/ui/symbol-names/basic.legacy.stderr
@@ -1,10 +1,10 @@
-error: symbol-name(_ZN5basic4main17h33f35fba43592008E)
+error: symbol-name(_ZN5basic4main17hd30beb15618b9d64E)
   --> $DIR/basic.rs:8:1
    |
 LL | #[rustc_dump_symbol_name]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: demangling(basic::main::h33f35fba43592008)
+error: demangling(basic::main::hd30beb15618b9d64)
   --> $DIR/basic.rs:8:1
    |
 LL | #[rustc_dump_symbol_name]
diff --git a/tests/ui/symbol-names/issue-60925.legacy.stderr b/tests/ui/symbol-names/issue-60925.legacy.stderr
index 367c2d14011ac..0411d70119235 100644
--- a/tests/ui/symbol-names/issue-60925.legacy.stderr
+++ b/tests/ui/symbol-names/issue-60925.legacy.stderr
@@ -1,10 +1,10 @@
-error: symbol-name(_ZN11issue_609253foo37Foo$LT$issue_60925..llv$u6d$..Foo$GT$3foo17hc741419c44ba4d79E)
+error: symbol-name(_ZN11issue_609253foo37Foo$LT$issue_60925..llv$u6d$..Foo$GT$3foo17heb0a993da0d0e50cE)
   --> $DIR/issue-60925.rs:21:9
    |
 LL |         #[rustc_dump_symbol_name]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: demangling(issue_60925::foo::Foo<issue_60925::llvm::Foo>::foo::hc741419c44ba4d79)
+error: demangling(issue_60925::foo::Foo<issue_60925::llvm::Foo>::foo::heb0a993da0d0e50c)
   --> $DIR/issue-60925.rs:21:9
    |
 LL |         #[rustc_dump_symbol_name]
diff --git a/tests/ui/symbol-names/x86-stdcall.rs b/tests/ui/symbol-names/x86-stdcall.rs
index 2375e3e2f70aa..f230c2841277e 100644
--- a/tests/ui/symbol-names/x86-stdcall.rs
+++ b/tests/ui/symbol-names/x86-stdcall.rs
@@ -1,7 +1,7 @@
-// ignore-tidy-linelength
 //@ build-pass
 //@ only-x86
 //@ only-windows
+// ignore-tidy-linelength
 //@ ignore-gnu - vectorcall is not supported by GCC: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89485
 #![crate_type = "cdylib"]
 #![feature(abi_vectorcall)]
diff --git a/tests/ui/target-feature/abi-incompatible-target-feature-attribute.rs b/tests/ui/target-feature/abi-incompatible-target-feature-attribute.rs
index 20b82d2b1fb51..b69fa95623edc 100644
--- a/tests/ui/target-feature/abi-incompatible-target-feature-attribute.rs
+++ b/tests/ui/target-feature/abi-incompatible-target-feature-attribute.rs
@@ -1,5 +1,4 @@
 //! Ensure ABI-incompatible features cannot be enabled via `#[target_feature]`.
-// ignore-tidy-linelength
 //@ compile-flags: --crate-type=lib
 //@ revisions: x86 riscv
 //@[x86] compile-flags: --target=x86_64-unknown-linux-gnu
@@ -14,6 +13,7 @@
 extern crate minicore;
 use minicore::*;
 
+// ignore-tidy-linelength
 #[cfg_attr(x86, target_feature(enable = "soft-float"))] #[cfg_attr(riscv, target_feature(enable = "d"))]
 //~^ERROR: cannot be enabled with
 pub unsafe fn my_fun() {}
diff --git a/tests/ui/target_modifiers/auxiliary/pauth.rs b/tests/ui/target_modifiers/auxiliary/pauth.rs
new file mode 100644
index 0000000000000..761f4a520a4d2
--- /dev/null
+++ b/tests/ui/target_modifiers/auxiliary/pauth.rs
@@ -0,0 +1,7 @@
+//@ compile-flags: --target aarch64-unknown-linux-pauthtest -Zpointer-authentication=+calls,+init-fini
+//@ needs-llvm-components: aarch64
+//@ only-pauthtest
+
+#![feature(no_core)]
+#![crate_type = "rlib"]
+#![no_core]
diff --git a/tests/ui/target_modifiers/incompatible_pauth.error_generated.stderr b/tests/ui/target_modifiers/incompatible_pauth.error_generated.stderr
new file mode 100644
index 0000000000000..ddc05e4b55322
--- /dev/null
+++ b/tests/ui/target_modifiers/incompatible_pauth.error_generated.stderr
@@ -0,0 +1,13 @@
+error: mixing `-Zpointer-authentication` will cause an ABI mismatch in crate `incompatible_pauth`
+  --> $DIR/incompatible_pauth.rs:14:1
+   |
+LL | #![feature(no_core)]
+   | ^
+   |
+   = help: the `-Zpointer-authentication` flag modifies the ABI so Rust crates compiled with different values of this flag cannot be used together safely
+   = note: `-Zpointer-authentication=+calls,-init-fini` in this crate is incompatible with `-Zpointer-authentication=+calls,+init-fini` in dependency `pauth`
+   = help: set `-Zpointer-authentication=+calls,+init-fini` in this crate or `-Zpointer-authentication=+calls,-init-fini` in `pauth`
+   = help: if you are sure this will not cause problems, you may use `-Cunsafe-allow-abi-mismatch=pointer-authentication` to silence this error
+
+error: aborting due to 1 previous error
+
diff --git a/tests/ui/target_modifiers/incompatible_pauth.rs b/tests/ui/target_modifiers/incompatible_pauth.rs
new file mode 100644
index 0000000000000..6fe77a6916568
--- /dev/null
+++ b/tests/ui/target_modifiers/incompatible_pauth.rs
@@ -0,0 +1,20 @@
+//@ aux-build:pauth.rs
+//@ revisions: ok ok_reverse_order ok_last_one_wins error_generated
+//@ compile-flags: --target=aarch64-unknown-linux-pauthtest
+//@ [ok] compile-flags: -Zpointer-authentication=+calls,+init-fini
+//@ [ok] check-pass
+//@ [ok_last_one_wins] compile-flags: -Zpointer-authentication=-calls,+calls,-init-fini,+init-fini
+//@ [ok_last_one_wins] check-pass
+//@ [ok_reverse_order] compile-flags: -Zpointer-authentication=+init-fini,+calls
+//@ [ok_reverse_order] check-pass
+//@ [error_generated] compile-flags: -Zpointer-authentication=+calls,-init-fini
+//@ needs-llvm-components: aarch64
+//@ only-pauthtest
+
+#![feature(no_core)]
+//[error_generated]~^ ERROR mixing `-Zpointer-authentication` will cause an ABI mismatch in crate
+//`incompatible_pauth`
+#![crate_type = "rlib"]
+#![no_core]
+
+extern crate pauth;
diff --git a/tests/ui/thir-print/offset_of.stdout b/tests/ui/thir-print/offset_of.stdout
index 25c0994387543..7de24c33f6746 100644
--- a/tests/ui/thir-print/offset_of.stdout
+++ b/tests/ui/thir-print/offset_of.stdout
@@ -315,12 +315,12 @@ body:
                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#4)
                                                         kind: 
                                                             Call {
-                                                                ty: FnDef(DefId(core::intrinsics::offset_of), [Alpha])
+                                                                ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Alpha], bound_vars: [] })
                                                                 from_hir_call: false
                                                                 fn_span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#4)
                                                                 fun:
                                                                     Expr {
-                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), [Alpha])
+                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Alpha], bound_vars: [] })
                                                                         temp_scope_id: 7
                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#4)
                                                                         kind: 
@@ -398,12 +398,12 @@ body:
                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#5)
                                                         kind: 
                                                             Call {
-                                                                ty: FnDef(DefId(core::intrinsics::offset_of), [Alpha])
+                                                                ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Alpha], bound_vars: [] })
                                                                 from_hir_call: false
                                                                 fn_span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#5)
                                                                 fun:
                                                                     Expr {
-                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), [Alpha])
+                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Alpha], bound_vars: [] })
                                                                         temp_scope_id: 17
                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#5)
                                                                         kind: 
@@ -481,12 +481,12 @@ body:
                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#6)
                                                         kind: 
                                                             Call {
-                                                                ty: FnDef(DefId(core::intrinsics::offset_of), [Blah])
+                                                                ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Blah], bound_vars: [] })
                                                                 from_hir_call: false
                                                                 fn_span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#6)
                                                                 fun:
                                                                     Expr {
-                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), [Blah])
+                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Blah], bound_vars: [] })
                                                                         temp_scope_id: 27
                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#6)
                                                                         kind: 
@@ -572,12 +572,12 @@ body:
                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#7)
                                                                         kind: 
                                                                             Call {
-                                                                                ty: FnDef(DefId(core::intrinsics::offset_of), [Alpha])
+                                                                                ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Alpha], bound_vars: [] })
                                                                                 from_hir_call: false
                                                                                 fn_span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#7)
                                                                                 fun:
                                                                                     Expr {
-                                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), [Alpha])
+                                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Alpha], bound_vars: [] })
                                                                                         temp_scope_id: 37
                                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#7)
                                                                                         kind: 
@@ -614,12 +614,12 @@ body:
                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#7)
                                                                         kind: 
                                                                             Call {
-                                                                                ty: FnDef(DefId(core::intrinsics::offset_of), [Beta])
+                                                                                ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Beta], bound_vars: [] })
                                                                                 from_hir_call: false
                                                                                 fn_span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#7)
                                                                                 fun:
                                                                                     Expr {
-                                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), [Beta])
+                                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Beta], bound_vars: [] })
                                                                                         temp_scope_id: 37
                                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#7)
                                                                                         kind: 
@@ -707,12 +707,12 @@ body:
                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#8)
                                                                         kind: 
                                                                             Call {
-                                                                                ty: FnDef(DefId(core::intrinsics::offset_of), [Alpha])
+                                                                                ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Alpha], bound_vars: [] })
                                                                                 from_hir_call: false
                                                                                 fn_span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#8)
                                                                                 fun:
                                                                                     Expr {
-                                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), [Alpha])
+                                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Alpha], bound_vars: [] })
                                                                                         temp_scope_id: 47
                                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#8)
                                                                                         kind: 
@@ -749,12 +749,12 @@ body:
                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#8)
                                                                         kind: 
                                                                             Call {
-                                                                                ty: FnDef(DefId(core::intrinsics::offset_of), [Beta])
+                                                                                ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Beta], bound_vars: [] })
                                                                                 from_hir_call: false
                                                                                 fn_span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#8)
                                                                                 fun:
                                                                                     Expr {
-                                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), [Beta])
+                                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Beta], bound_vars: [] })
                                                                                         temp_scope_id: 47
                                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#8)
                                                                                         kind: 
@@ -1062,12 +1062,12 @@ body:
                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#9)
                                                         kind: 
                                                             Call {
-                                                                ty: FnDef(DefId(core::intrinsics::offset_of), [Gamma<T/#0>])
+                                                                ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Gamma<T/#0>], bound_vars: [] })
                                                                 from_hir_call: false
                                                                 fn_span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#9)
                                                                 fun:
                                                                     Expr {
-                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), [Gamma<T/#0>])
+                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Gamma<T/#0>], bound_vars: [] })
                                                                         temp_scope_id: 7
                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#9)
                                                                         kind: 
@@ -1145,12 +1145,12 @@ body:
                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#10)
                                                         kind: 
                                                             Call {
-                                                                ty: FnDef(DefId(core::intrinsics::offset_of), [Gamma<T/#0>])
+                                                                ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Gamma<T/#0>], bound_vars: [] })
                                                                 from_hir_call: false
                                                                 fn_span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#10)
                                                                 fun:
                                                                     Expr {
-                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), [Gamma<T/#0>])
+                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Gamma<T/#0>], bound_vars: [] })
                                                                         temp_scope_id: 19
                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#10)
                                                                         kind: 
@@ -1228,12 +1228,12 @@ body:
                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#11)
                                                         kind: 
                                                             Call {
-                                                                ty: FnDef(DefId(core::intrinsics::offset_of), [Delta<T/#0>])
+                                                                ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Delta<T/#0>], bound_vars: [] })
                                                                 from_hir_call: false
                                                                 fn_span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#11)
                                                                 fun:
                                                                     Expr {
-                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), [Delta<T/#0>])
+                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Delta<T/#0>], bound_vars: [] })
                                                                         temp_scope_id: 31
                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#11)
                                                                         kind: 
@@ -1311,12 +1311,12 @@ body:
                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#12)
                                                         kind: 
                                                             Call {
-                                                                ty: FnDef(DefId(core::intrinsics::offset_of), [Delta<T/#0>])
+                                                                ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Delta<T/#0>], bound_vars: [] })
                                                                 from_hir_call: false
                                                                 fn_span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#12)
                                                                 fun:
                                                                     Expr {
-                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), [Delta<T/#0>])
+                                                                        ty: FnDef(DefId(core::intrinsics::offset_of), Binder { value: [Delta<T/#0>], bound_vars: [] })
                                                                         temp_scope_id: 43
                                                                         span: $SRC_DIR/core/src/mem/mod.rs:LL:COL (#12)
                                                                         kind: 
diff --git a/tests/ui/thir-print/thir-tree-array-index.stdout b/tests/ui/thir-print/thir-tree-array-index.stdout
index bbb2fd9578146..4e40bcbbf4e07 100644
--- a/tests/ui/thir-print/thir-tree-array-index.stdout
+++ b/tests/ui/thir-print/thir-tree-array-index.stdout
@@ -956,12 +956,12 @@ body:
                                                                                                                                     span: $DIR/thir-tree-array-index.rs:17:6: 17:19 (#0)
                                                                                                                                     kind: 
                                                                                                                                         Call {
-                                                                                                                                            ty: FnDef(DefId(0:3 ~ thir_tree_array_index[2569]::index), [])
+                                                                                                                                            ty: FnDef(DefId(0:3 ~ thir_tree_array_index[2569]::index), Binder { value: [], bound_vars: [] })
                                                                                                                                             from_hir_call: true
                                                                                                                                             fn_span: $DIR/thir-tree-array-index.rs:17:6: 17:19 (#0)
                                                                                                                                             fun:
                                                                                                                                                 Expr {
-                                                                                                                                                    ty: FnDef(DefId(0:3 ~ thir_tree_array_index[2569]::index), [])
+                                                                                                                                                    ty: FnDef(DefId(0:3 ~ thir_tree_array_index[2569]::index), Binder { value: [], bound_vars: [] })
                                                                                                                                                     temp_scope_id: 80
                                                                                                                                                     span: $DIR/thir-tree-array-index.rs:17:6: 17:11 (#0)
                                                                                                                                                     kind: 
@@ -970,7 +970,7 @@ body:
                                                                                                                                                             hir_id: HirId(DefId(0:4 ~ thir_tree_array_index[2569]::indexing).80)
                                                                                                                                                             value:
                                                                                                                                                                 Expr {
-                                                                                                                                                                    ty: FnDef(DefId(0:3 ~ thir_tree_array_index[2569]::index), [])
+                                                                                                                                                                    ty: FnDef(DefId(0:3 ~ thir_tree_array_index[2569]::index), Binder { value: [], bound_vars: [] })
                                                                                                                                                                     temp_scope_id: 80
                                                                                                                                                                     span: $DIR/thir-tree-array-index.rs:17:6: 17:11 (#0)
                                                                                                                                                                     kind: 
diff --git a/tests/ui/thir-print/thir-tree-match-for.stdout b/tests/ui/thir-print/thir-tree-match-for.stdout
index 774261865802f..0cf759c40c4ff 100644
--- a/tests/ui/thir-print/thir-tree-match-for.stdout
+++ b/tests/ui/thir-print/thir-tree-match-for.stdout
@@ -378,12 +378,12 @@ body:
                                                                                                                         span: $DIR/thir-tree-match-for.rs:16:12: 16:16 (#7)
                                                                                                                         kind: 
                                                                                                                             Call {
-                                                                                                                                ty: FnDef(DefId(N:M ~ core::iter::traits::collect::IntoIterator::into_iter), [std::ops::Range<u32>])
+                                                                                                                                ty: FnDef(DefId(N:M ~ core::iter::traits::collect::IntoIterator::into_iter), Binder { value: [std::ops::Range<u32>], bound_vars: [] })
                                                                                                                                 from_hir_call: true
                                                                                                                                 fn_span: $DIR/thir-tree-match-for.rs:16:12: 16:16 (#7)
                                                                                                                                 fun:
                                                                                                                                     Expr {
-                                                                                                                                        ty: FnDef(DefId(N:M ~ core::iter::traits::collect::IntoIterator::into_iter), [std::ops::Range<u32>])
+                                                                                                                                        ty: FnDef(DefId(N:M ~ core::iter::traits::collect::IntoIterator::into_iter), Binder { value: [std::ops::Range<u32>], bound_vars: [] })
                                                                                                                                         temp_scope_id: 41
                                                                                                                                         span: $DIR/thir-tree-match-for.rs:16:12: 16:16 (#7)
                                                                                                                                         kind: 
@@ -392,7 +392,7 @@ body:
                                                                                                                                                 hir_id: HirId(DefId(N:M ~ thir_tree_match_for::match_from_for).41)
                                                                                                                                                 value:
                                                                                                                                                     Expr {
-                                                                                                                                                        ty: FnDef(DefId(N:M ~ core::iter::traits::collect::IntoIterator::into_iter), [std::ops::Range<u32>])
+                                                                                                                                                        ty: FnDef(DefId(N:M ~ core::iter::traits::collect::IntoIterator::into_iter), Binder { value: [std::ops::Range<u32>], bound_vars: [] })
                                                                                                                                                         temp_scope_id: 41
                                                                                                                                                         span: $DIR/thir-tree-match-for.rs:16:12: 16:16 (#7)
                                                                                                                                                         kind: 
@@ -560,12 +560,12 @@ body:
                                                                                                                                                                                                                             span: $DIR/thir-tree-match-for.rs:16:12: 16:16 (#7)
                                                                                                                                                                                                                             kind: 
                                                                                                                                                                                                                                 Call {
-                                                                                                                                                                                                                                    ty: FnDef(DefId(N:M ~ core::iter::traits::iterator::Iterator::next), [std::ops::Range<u32>])
+                                                                                                                                                                                                                                    ty: FnDef(DefId(N:M ~ core::iter::traits::iterator::Iterator::next), Binder { value: [std::ops::Range<u32>], bound_vars: [] })
                                                                                                                                                                                                                                     from_hir_call: true
                                                                                                                                                                                                                                     fn_span: $DIR/thir-tree-match-for.rs:16:12: 16:16 (#7)
                                                                                                                                                                                                                                     fun:
                                                                                                                                                                                                                                         Expr {
-                                                                                                                                                                                                                                            ty: FnDef(DefId(N:M ~ core::iter::traits::iterator::Iterator::next), [std::ops::Range<u32>])
+                                                                                                                                                                                                                                            ty: FnDef(DefId(N:M ~ core::iter::traits::iterator::Iterator::next), Binder { value: [std::ops::Range<u32>], bound_vars: [] })
                                                                                                                                                                                                                                             temp_scope_id: 34
                                                                                                                                                                                                                                             span: $DIR/thir-tree-match-for.rs:16:12: 16:16 (#7)
                                                                                                                                                                                                                                             kind: 
@@ -574,7 +574,7 @@ body:
                                                                                                                                                                                                                                                     hir_id: HirId(DefId(N:M ~ thir_tree_match_for::match_from_for).34)
                                                                                                                                                                                                                                                     value:
                                                                                                                                                                                                                                                         Expr {
-                                                                                                                                                                                                                                                            ty: FnDef(DefId(N:M ~ core::iter::traits::iterator::Iterator::next), [std::ops::Range<u32>])
+                                                                                                                                                                                                                                                            ty: FnDef(DefId(N:M ~ core::iter::traits::iterator::Iterator::next), Binder { value: [std::ops::Range<u32>], bound_vars: [] })
                                                                                                                                                                                                                                                             temp_scope_id: 34
                                                                                                                                                                                                                                                             span: $DIR/thir-tree-match-for.rs:16:12: 16:16 (#7)
                                                                                                                                                                                                                                                             kind: 
@@ -935,12 +935,12 @@ body:
                                                                                         span: $DIR/thir-tree-match-for.rs:23:9: 23:38 (#0)
                                                                                         kind: 
                                                                                             Call {
-                                                                                                ty: FnDef(DefId(N:M ~ core::iter::traits::collect::IntoIterator::into_iter), [std::ops::Range<u32>])
+                                                                                                ty: FnDef(DefId(N:M ~ core::iter::traits::collect::IntoIterator::into_iter), Binder { value: [std::ops::Range<u32>], bound_vars: [] })
                                                                                                 from_hir_call: true
                                                                                                 fn_span: $DIR/thir-tree-match-for.rs:23:9: 23:38 (#0)
                                                                                                 fun:
                                                                                                     Expr {
-                                                                                                        ty: FnDef(DefId(N:M ~ core::iter::traits::collect::IntoIterator::into_iter), [std::ops::Range<u32>])
+                                                                                                        ty: FnDef(DefId(N:M ~ core::iter::traits::collect::IntoIterator::into_iter), Binder { value: [std::ops::Range<u32>], bound_vars: [] })
                                                                                                         temp_scope_id: 8
                                                                                                         span: $DIR/thir-tree-match-for.rs:23:9: 23:32 (#0)
                                                                                                         kind: 
@@ -949,7 +949,7 @@ body:
                                                                                                                 hir_id: HirId(DefId(N:M ~ thir_tree_match_for::match_loop_nonfor).8)
                                                                                                                 value:
                                                                                                                     Expr {
-                                                                                                                        ty: FnDef(DefId(N:M ~ core::iter::traits::collect::IntoIterator::into_iter), [std::ops::Range<u32>])
+                                                                                                                        ty: FnDef(DefId(N:M ~ core::iter::traits::collect::IntoIterator::into_iter), Binder { value: [std::ops::Range<u32>], bound_vars: [] })
                                                                                                                         temp_scope_id: 8
                                                                                                                         span: $DIR/thir-tree-match-for.rs:23:9: 23:32 (#0)
                                                                                                                         kind: 
@@ -1117,12 +1117,12 @@ body:
                                                                                                                                                                                             span: $DIR/thir-tree-match-for.rs:25:13: 25:38 (#0)
                                                                                                                                                                                             kind: 
                                                                                                                                                                                                 Call {
-                                                                                                                                                                                                    ty: FnDef(DefId(N:M ~ core::iter::traits::iterator::Iterator::next), [std::ops::Range<u32>])
+                                                                                                                                                                                                    ty: FnDef(DefId(N:M ~ core::iter::traits::iterator::Iterator::next), Binder { value: [std::ops::Range<u32>], bound_vars: [] })
                                                                                                                                                                                                     from_hir_call: true
                                                                                                                                                                                                     fn_span: $DIR/thir-tree-match-for.rs:25:13: 25:38 (#0)
                                                                                                                                                                                                     fun:
                                                                                                                                                                                                         Expr {
-                                                                                                                                                                                                            ty: FnDef(DefId(N:M ~ core::iter::traits::iterator::Iterator::next), [std::ops::Range<u32>])
+                                                                                                                                                                                                            ty: FnDef(DefId(N:M ~ core::iter::traits::iterator::Iterator::next), Binder { value: [std::ops::Range<u32>], bound_vars: [] })
                                                                                                                                                                                                             temp_scope_id: 25
                                                                                                                                                                                                             span: $DIR/thir-tree-match-for.rs:25:13: 25:27 (#0)
                                                                                                                                                                                                             kind: 
@@ -1131,7 +1131,7 @@ body:
                                                                                                                                                                                                                     hir_id: HirId(DefId(N:M ~ thir_tree_match_for::match_loop_nonfor).25)
                                                                                                                                                                                                                     value:
                                                                                                                                                                                                                         Expr {
-                                                                                                                                                                                                                            ty: FnDef(DefId(N:M ~ core::iter::traits::iterator::Iterator::next), [std::ops::Range<u32>])
+                                                                                                                                                                                                                            ty: FnDef(DefId(N:M ~ core::iter::traits::iterator::Iterator::next), Binder { value: [std::ops::Range<u32>], bound_vars: [] })
                                                                                                                                                                                                                             temp_scope_id: 25
                                                                                                                                                                                                                             span: $DIR/thir-tree-match-for.rs:25:13: 25:27 (#0)
                                                                                                                                                                                                                             kind: 
diff --git a/tests/ui/type/issue-91268.rs b/tests/ui/type/issue-91268.rs
index 6297880702e85..2dc6b5ccd5961 100644
--- a/tests/ui/type/issue-91268.rs
+++ b/tests/ui/type/issue-91268.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-trailing-newlines
+// ignore-tidy-file-trailing-newlines
 // `ţ` must be the last character in this file, it cannot be followed by a newline
 
 //~vv ERROR this file contains an unclosed delimiter
diff --git a/tests/ui/typeck/auxiliary/suggest-trait-reexported-as-not-doc-visible-b.rs b/tests/ui/typeck/auxiliary/suggest-trait-reexported-as-not-doc-visible-b.rs
index 9e90e0f0b356c..5caecf63d9f38 100644
--- a/tests/ui/typeck/auxiliary/suggest-trait-reexported-as-not-doc-visible-b.rs
+++ b/tests/ui/typeck/auxiliary/suggest-trait-reexported-as-not-doc-visible-b.rs
@@ -1,5 +1,5 @@
-// ignore-tidy-linelength
 //@ edition: 2021
+// ignore-tidy-linelength
 //@ aux-crate:suggest_trait_reexported_as_not_doc_visible_a=suggest-trait-reexported-as-not-doc-visible-a.rs
 
 pub struct Bar;
diff --git a/tests/ui/typeck/suggest-trait-reexported-as-not-doc-visible.rs b/tests/ui/typeck/suggest-trait-reexported-as-not-doc-visible.rs
index 56d46fda98427..e58aac2dab3dd 100644
--- a/tests/ui/typeck/suggest-trait-reexported-as-not-doc-visible.rs
+++ b/tests/ui/typeck/suggest-trait-reexported-as-not-doc-visible.rs
@@ -1,4 +1,4 @@
-// ignore-tidy-linelength
+// ignore-tidy-file-linelength
 //@ edition: 2021
 //@ aux-crate:suggest_trait_reexported_as_not_doc_visible_a=suggest-trait-reexported-as-not-doc-visible-a.rs
 //@ aux-crate:suggest_trait_reexported_as_not_doc_visible_b=suggest-trait-reexported-as-not-doc-visible-b.rs
diff --git a/tests/ui/whitespace/vertical_tab_lexer.rs b/tests/ui/whitespace/vertical_tab_lexer.rs
index 75f4543a1fe2d..4075eaeea5734 100644
--- a/tests/ui/whitespace/vertical_tab_lexer.rs
+++ b/tests/ui/whitespace/vertical_tab_lexer.rs
@@ -1,5 +1,5 @@
 //@ run-pass
-// ignore-tidy-tab
+// ignore-tidy-file-tab
 //
 // Tests that the Rust lexer accepts Unicode Pattern_White_Space characters.
 //