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Some changes occurred to MIR optimizations cc @rust-lang/wg-mir-opt Some changes occurred in cc @BoxyUwU Some changes might have occurred in exhaustiveness checking cc @Nadrieril |
RalfJung
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Feb 14, 2024
| ExprKind::Err => { | ||
| hir::ExprKind::Err(self.dcx().span_delayed_bug(e.span, "lowered ExprKind::Err")) | ||
| } | ||
| ExprKind::Err => hir::ExprKind::Err(self.dcx().has_errors().unwrap()), |
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This seems like what should actually happen is adding a ErrorGuaranteed tag to ast::ExprKind::Err? Might be worth a FIXME somewhere.
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I've done it for ast::TyKind::Err in #121072. ast::ExprKind::Err is harder, due to more unusual cases involving recovery in the parser, so I haven't finished that one yet.
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#120586 impls that, I just need to finish reviewing it 😣
oli-obk
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Feb 14, 2024
| @@ -803,13 +803,11 @@ impl<'cx, 'tcx> LexicalResolver<'cx, 'tcx> { | |||
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| // Errors in earlier passes can yield error variables without | |||
| // resolution errors here; delay ICE in favor of those errors. | |||
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| // resolution errors here; delay ICE in favor of those errors. | |
| // resolution errors here; ICE no errors have been emitted yet. |
oli-obk
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Feb 14, 2024
| } | ||
| ty::Error(_) => { | ||
| self.tcx.dcx().span_delayed_bug(self.span, "ty::Error in structural-match check"); | ||
| assert!( |
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This seems kinda redundant...
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True! I will remove the assertion.
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For some cases where it's clear that an error has already occurred, e.g.: - there's a comment stating exactly that, or - things like HIR lowering, where we are lowering an error kind The commit also tweaks some comments around delayed bug sites.
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I addressed the comments. |
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@bors r+ rollup |
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Feb 14, 2024
Rollup of 13 pull requests Successful merges: - rust-lang#116387 (Additional doc links and explanation of `Wake`.) - rust-lang#118738 (Netbsd10 update) - rust-lang#118890 (Clarify the lifetimes of allocations returned by the `Allocator` trait) - rust-lang#120498 (Uplift `TypeVisitableExt` into `rustc_type_ir`) - rust-lang#120530 (Be less confident when `dyn` suggestion is not checked for object safety) - rust-lang#120915 (Fix suggestion span for `?Sized` when param type has default) - rust-lang#121015 (Optimize `delayed_bug` handling.) - rust-lang#121024 (implement `Default` for `AsciiChar`) - rust-lang#121039 (Correctly compute adjustment casts in GVN) - rust-lang#121045 (Fix two UI tests with incorrect directive / invalid revision) - rust-lang#121049 (Do not point at `#[allow(_)]` as the reason for compat lint triggering) - rust-lang#121071 (Use fewer delayed bugs.) - rust-lang#121073 (Fix typos in `OneLock` doc) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#121071 - nnethercote:fewer-delayed-bugs, r=oli-obk Use fewer delayed bugs. For some cases where it's clear that an error has already occurred, e.g.: - there's a comment stating exactly that, or - things like HIR lowering, where we are lowering an error kind The commit also tweaks some comments around delayed bug sites. r? `@oli-obk`
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These were changed to `has_errors` assertions in rust-lang#121071 because that seemed reasonable, but evidently not. Fixes rust-lang#121103. Fixes rust-lang#121108.
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…li-obk Reinstate some delayed bugs. These were changed to `has_errors` assertions in rust-lang#121071 because that seemed reasonable, but evidently not. Fixes rust-lang#121103. Fixes rust-lang#121108.
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Rollup merge of rust-lang#121116 - nnethercote:fix-121103-121108, r=oli-obk Reinstate some delayed bugs. These were changed to `has_errors` assertions in rust-lang#121071 because that seemed reasonable, but evidently not. Fixes rust-lang#121103. Fixes rust-lang#121108.
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For some cases where it's clear that an error has already occurred, e.g.:
The commit also tweaks some comments around delayed bug sites.
r? @oli-obk