Switch bootstrap cfgs

compiler/rustc_ast_lowering/src/lib.rs

@@ -35,7 +35,7 @@
 #![feature(let_else)]
 #![feature(never_type)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 use rustc_ast::token::{self, Token};
 use rustc_ast::tokenstream::{CanSynthesizeMissingTokens, TokenStream, TokenTree};

compiler/rustc_ast_passes/src/lib.rs

@@ -8,7 +8,7 @@
 #![feature(box_patterns)]
 #![feature(let_else)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 pub mod ast_validation;
 pub mod feature_gate;

compiler/rustc_borrowck/src/lib.rs

@@ -9,7 +9,7 @@
 #![feature(trusted_step)]
 #![feature(try_blocks)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate rustc_middle;

compiler/rustc_builtin_macros/src/lib.rs

@@ -13,7 +13,7 @@
 #![feature(proc_macro_internals)]
 #![feature(proc_macro_quote)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 extern crate proc_macro;
 

compiler/rustc_codegen_llvm/src/lib.rs

@@ -11,7 +11,7 @@
 #![feature(extern_types)]
 #![feature(nll)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 use back::write::{create_informational_target_machine, create_target_machine};
 

compiler/rustc_codegen_ssa/src/lib.rs

@@ -7,7 +7,7 @@
 #![feature(nll)]
 #![feature(associated_type_bounds)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 //! This crate contains codegen code that is used by all codegen backends (LLVM and others).
 //! The backend-agnostic functions of this crate use functions defined in various traits that

compiler/rustc_const_eval/src/lib.rs

@@ -22,7 +22,7 @@ Rust MIR: a lowered representation of Rust.
 #![feature(trusted_step)]
 #![feature(try_blocks)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate tracing;

compiler/rustc_data_structures/src/intern.rs

@@ -20,7 +20,7 @@ mod private {
 /// but you can only construct a `Interned` with `new_unchecked`, and not
 /// directly.
 #[derive(Debug)]
-#[cfg_attr(not(bootstrap), rustc_pass_by_value)]
+#[rustc_pass_by_value]
 pub struct Interned<'a, T>(pub &'a T, pub private::PrivateZst);
 
 impl<'a, T> Interned<'a, T> {

compiler/rustc_data_structures/src/lib.rs

@@ -28,7 +28,7 @@
 #![feature(vec_into_raw_parts)]
 #![allow(rustc::default_hash_types)]
 #![deny(unaligned_references)]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate tracing;

compiler/rustc_driver/src/lib.rs

@@ -9,7 +9,7 @@
 #![feature(let_else)]
 #![feature(once_cell)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate tracing;

compiler/rustc_errors/src/lib.rs

@@ -8,9 +8,9 @@
 #![feature(if_let_guard)]
 #![feature(let_else)]
 #![feature(nll)]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
 #![feature(adt_const_params)]
 #![allow(incomplete_features)]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate rustc_macros;

compiler/rustc_expand/src/lib.rs

@@ -9,7 +9,7 @@
 #![feature(proc_macro_span)]
 #![feature(try_blocks)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate rustc_macros;

compiler/rustc_incremental/src/lib.rs

@@ -5,7 +5,7 @@
 #![feature(let_else)]
 #![feature(nll)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate rustc_middle;

compiler/rustc_infer/src/lib.rs

@@ -23,7 +23,7 @@
 #![feature(min_specialization)]
 #![feature(label_break_value)]
 #![recursion_limit = "512"] // For rustdoc
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate rustc_macros;

compiler/rustc_interface/src/lib.rs

@@ -6,7 +6,7 @@
 #![feature(nll)]
 #![feature(once_cell)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 mod callbacks;
 pub mod interface;

compiler/rustc_lint/src/context.rs

@@ -147,7 +147,7 @@ impl LintStore {
         &'t self,
     ) -> impl Iterator<Item = (&'static str, Vec<LintId>, bool)> + 't {
         // This function is not used in a way which observes the order of lints.
-        #[cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+        #[allow(rustc::potential_query_instability)]
         self.lint_groups
             .iter()
             .filter(|(_, LintGroup { depr, .. })| {

compiler/rustc_lint/src/lib.rs

@@ -38,7 +38,7 @@
 #![feature(nll)]
 #![feature(control_flow_enum)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate rustc_middle;

compiler/rustc_metadata/src/lib.rs

@@ -9,7 +9,7 @@
 #![feature(try_blocks)]
 #![feature(never_type)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 extern crate proc_macro;
 

compiler/rustc_middle/src/lib.rs

@@ -57,7 +57,7 @@
 #![feature(unwrap_infallible)]
 #![feature(decl_macro)]
 #![recursion_limit = "512"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate bitflags;

compiler/rustc_middle/src/ty/consts.rs

@@ -21,7 +21,7 @@ pub use valtree::*;
 
 /// Use this rather than `ConstS`, whenever possible.
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, HashStable)]
-#[cfg_attr(not(bootstrap), rustc_pass_by_value)]
+#[rustc_pass_by_value]
 pub struct Const<'tcx>(pub Interned<'tcx, ConstS<'tcx>>);
 
 impl<'tcx> fmt::Debug for Const<'tcx> {

compiler/rustc_middle/src/ty/context.rs

@@ -970,7 +970,7 @@ pub struct FreeRegionInfo {
 /// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/ty.html
 #[derive(Copy, Clone)]
 #[rustc_diagnostic_item = "TyCtxt"]
-#[cfg_attr(not(bootstrap), rustc_pass_by_value)]
+#[rustc_pass_by_value]
 pub struct TyCtxt<'tcx> {
     gcx: &'tcx GlobalCtxt<'tcx>,
 }

compiler/rustc_middle/src/ty/mod.rs

@@ -433,7 +433,7 @@ static_assert_size!(TyS<'_>, 40);
 /// Use this rather than `TyS`, whenever possible.
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
 #[rustc_diagnostic_item = "Ty"]
-#[cfg_attr(not(bootstrap), rustc_pass_by_value)]
+#[rustc_pass_by_value]
 pub struct Ty<'tcx>(Interned<'tcx, TyS<'tcx>>);
 
 // Statics only used for internal testing.
@@ -486,7 +486,7 @@ static_assert_size!(PredicateS<'_>, 56);
 
 /// Use this rather than `PredicateS`, whenever possible.
 #[derive(Clone, Copy, PartialEq, Eq, Hash)]
-#[cfg_attr(not(bootstrap), rustc_pass_by_value)]
+#[rustc_pass_by_value]
 pub struct Predicate<'tcx>(Interned<'tcx, PredicateS<'tcx>>);
 
 impl<'tcx> Predicate<'tcx> {

compiler/rustc_middle/src/ty/sty.rs

@@ -1396,7 +1396,7 @@ impl ParamConst {
 
 /// Use this rather than `TyKind`, whenever possible.
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, HashStable)]
-#[cfg_attr(not(bootstrap), rustc_pass_by_value)]
+#[rustc_pass_by_value]
 pub struct Region<'tcx>(pub Interned<'tcx, RegionKind>);
 
 impl<'tcx> Deref for Region<'tcx> {

compiler/rustc_mir_build/src/lib.rs

@@ -9,7 +9,7 @@
 #![feature(once_cell)]
 #![feature(min_specialization)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate tracing;

compiler/rustc_mir_transform/src/lib.rs

@@ -10,7 +10,7 @@
 #![feature(trusted_step)]
 #![feature(try_blocks)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate tracing;

compiler/rustc_monomorphize/src/lib.rs

@@ -4,7 +4,7 @@
 #![feature(control_flow_enum)]
 #![feature(let_else)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate tracing;

compiler/rustc_passes/src/lib.rs

@@ -13,7 +13,7 @@
 #![feature(nll)]
 #![feature(try_blocks)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate rustc_middle;

compiler/rustc_privacy/src/lib.rs

@@ -4,7 +4,7 @@
 #![feature(try_blocks)]
 #![feature(associated_type_defaults)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 use rustc_ast::MacroDef;
 use rustc_attr as attr;

compiler/rustc_query_impl/src/lib.rs

@@ -7,7 +7,7 @@
 #![feature(once_cell)]
 #![feature(rustc_attrs)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate rustc_macros;

compiler/rustc_query_system/src/lib.rs

@@ -5,7 +5,7 @@
 #![feature(let_else)]
 #![feature(min_specialization)]
 #![feature(extern_types)]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate tracing;

compiler/rustc_resolve/src/lib.rs

@@ -18,7 +18,7 @@
 #![feature(nll)]
 #![recursion_limit = "256"]
 #![allow(rustdoc::private_intra_doc_links)]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate tracing;

compiler/rustc_save_analysis/src/lib.rs

@@ -3,7 +3,7 @@
 #![feature(nll)]
 #![feature(let_else)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 mod dump_visitor;
 mod dumper;

compiler/rustc_session/src/lib.rs

@@ -4,7 +4,7 @@
 #![feature(min_specialization)]
 #![feature(once_cell)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate rustc_macros;

compiler/rustc_span/src/lib.rs

@@ -22,7 +22,7 @@
 #![feature(negative_impls)]
 #![feature(nll)]
 #![feature(min_specialization)]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate rustc_macros;

compiler/rustc_span/src/span_encoding.rs

@@ -61,15 +61,8 @@ use rustc_data_structures::fx::FxIndexSet;
 /// using the callback `SPAN_TRACK` to access the query engine.
 ///
 #[derive(Clone, Copy, Eq, PartialEq, Hash)]
-// FIXME(@lcnr): Enable this attribute once the bootstrap
-// compiler knows of `rustc_pass_by_value`.
-//
-// Right now, this lint would only trigger when compiling the
-// stage 2 compiler, which is fairly annoying as there are
-// a lot of places using `&Span` right now. After the next bootstrap bump,
-// the lint will already trigger when using stage 1, which is a lot less annoying.
-//
-// #[cfg_attr(not(bootstrap), rustc_pass_by_value)]
+// FIXME: Enable this in the bootstrap bump, but separate commit.
+// #[rustc_pass_by_value]
 pub struct Span {
     base_or_index: u32,
     len_or_tag: u16,

compiler/rustc_symbol_mangling/src/lib.rs

@@ -91,7 +91,7 @@
 #![feature(never_type)]
 #![feature(nll)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate rustc_middle;

compiler/rustc_trait_selection/src/lib.rs

@@ -22,7 +22,7 @@
 #![feature(crate_visibility_modifier)]
 #![feature(control_flow_enum)]
 #![recursion_limit = "512"] // For rustdoc
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate rustc_macros;

compiler/rustc_typeck/src/lib.rs

@@ -69,7 +69,7 @@ This API is completely unstable and subject to change.
 #![feature(control_flow_enum)]
 #![feature(hash_drain_filter)]
 #![recursion_limit = "256"]
-#![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]
+#![allow(rustc::potential_query_instability)]
 
 #[macro_use]
 extern crate tracing;

library/alloc/src/lib.rs

@@ -139,7 +139,6 @@
 #![feature(associated_type_bounds)]
 #![feature(box_syntax)]
 #![feature(cfg_sanitize)]
-#![cfg_attr(bootstrap, feature(cfg_target_has_atomic))]
 #![feature(const_deref)]
 #![feature(const_fn_trait_bound)]
 #![feature(const_mut_refs)]

library/core/src/intrinsics.rs

@@ -1936,7 +1936,6 @@ extern "rust-intrinsic" {
     /// - If the `ptr` is created in an another const, this intrinsic doesn't deallocate it.
     /// - If the `ptr` is pointing to a local variable, this intrinsic doesn't deallocate it.
     #[rustc_const_unstable(feature = "const_heap", issue = "79597")]
-    #[cfg(not(bootstrap))]
     pub fn const_deallocate(ptr: *mut u8, size: usize, align: usize);
 
     /// Determines whether the raw bytes of the two values are equal.

library/core/src/lib.rs

@@ -156,7 +156,7 @@
 #![feature(associated_type_bounds)]
 #![feature(auto_traits)]
 #![feature(cfg_target_has_atomic)]
-#![cfg_attr(not(bootstrap), feature(cfg_target_has_atomic_equal_alignment))]
+#![feature(cfg_target_has_atomic_equal_alignment)]
 #![feature(const_fn_floating_point_arithmetic)]
 #![feature(const_fn_fn_ptr_basics)]
 #![feature(const_fn_trait_bound)]