diff --git a/compiler/rustc_ast_lowering/src/errors.rs b/compiler/rustc_ast_lowering/src/errors.rs index 59f1b7180e4f4..4adeaef9bbfa8 100644 --- a/compiler/rustc_ast_lowering/src/errors.rs +++ b/compiler/rustc_ast_lowering/src/errors.rs @@ -327,3 +327,10 @@ pub struct ArbitraryExpressionInPattern { #[primary_span] pub span: Span, } + +#[derive(SessionDiagnostic, Clone, Copy)] +#[diag(ast_lowering::inclusive_range_with_no_end)] +pub struct InclusiveRangeWithNoEnd { + #[primary_span] + pub span: Span, +} diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index 61f8c0216f1cf..176047616881f 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -1,8 +1,8 @@ use super::errors::{ AsyncGeneratorsNotSupported, AsyncNonMoveClosureNotSupported, AwaitOnlyInAsyncFnAndBlocks, BaseExpressionDoubleDot, ClosureCannotBeStatic, FunctionalRecordUpdateDestructuringAssignemnt, - GeneratorTooManyParameters, NotSupportedForLifetimeBinderAsyncClosure, RustcBoxAttributeError, - UnderscoreExprLhsAssign, + GeneratorTooManyParameters, InclusiveRangeWithNoEnd, NotSupportedForLifetimeBinderAsyncClosure, + RustcBoxAttributeError, UnderscoreExprLhsAssign, }; use super::ResolverAstLoweringExt; use super::{ImplTraitContext, LoweringContext, ParamMode, ParenthesizedGenericArgs}; @@ -1264,7 +1264,13 @@ impl<'hir> LoweringContext<'_, 'hir> { (Some(..), Some(..), HalfOpen) => hir::LangItem::Range, (None, Some(..), Closed) => hir::LangItem::RangeToInclusive, (Some(..), Some(..), Closed) => unreachable!(), - (_, None, Closed) => self.diagnostic().span_fatal(span, "inclusive range with no end"), + (start, None, Closed) => { + self.tcx.sess.emit_err(InclusiveRangeWithNoEnd { span }); + match start { + Some(..) => hir::LangItem::RangeFrom, + None => hir::LangItem::RangeFull, + } + } }; let fields = self.arena.alloc_from_iter( diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index becb67d116546..f7a204ce663c1 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -35,6 +35,8 @@ #![feature(never_type)] #![recursion_limit = "256"] #![allow(rustc::potential_query_instability)] +#![deny(rustc::untranslatable_diagnostic)] +#![deny(rustc::diagnostic_outside_of_impl)] #[macro_use] extern crate tracing; diff --git a/compiler/rustc_error_messages/locales/en-US/ast_lowering.ftl b/compiler/rustc_error_messages/locales/en-US/ast_lowering.ftl index dcb1e2b08306f..f2790531aba44 100644 --- a/compiler/rustc_error_messages/locales/en-US/ast_lowering.ftl +++ b/compiler/rustc_error_messages/locales/en-US/ast_lowering.ftl @@ -129,3 +129,5 @@ ast_lowering_not_supported_for_lifetime_binder_async_closure = ast_lowering_arbitrary_expression_in_pattern = arbitrary expressions aren't allowed in patterns + +ast_lowering_inclusive_range_with_no_end = inclusive range with no end