bjoernager/rust
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Reuse existing shared Lrc for MatchImpl parent

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This is hopefully a small performance win for the hot path.
This commit is contained in:
Mark Rousskov 2021-09-15 22:58:40 -04:00
parent 4aed1abb70
commit 905beab38e
4 changed files with 4 additions and 4 deletions
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2
compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mismatched_static_lifetime.rs
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@ -33,7 +33,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> {
ObligationCauseCode::MatchImpl(parent, impl_def_id) => (parent, impl_def_id),
_ => return None,
};
let binding_span = match **parent {
let binding_span = match parent.code {
ObligationCauseCode::BindingObligation(_def_id, binding_span) => binding_span,
_ => return None,
};

2
compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs
View file

@ -189,7 +189,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> {
}
if let SubregionOrigin::Subtype(box TypeTrace { cause, .. }) = &sub_origin {
let code = match &cause.code {
ObligationCauseCode::MatchImpl(parent, ..) => &**parent,
ObligationCauseCode::MatchImpl(parent, ..) => &parent.code,
_ => &cause.code,
};
if let ObligationCauseCode::ItemObligation(item_def_id) = *code {