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fix fn/const items implied bounds and wf check (rebase) #120019

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Merged
merged 4 commits into from
Jan 17, 2024
Merged

fix fn/const items implied bounds and wf check (rebase) #120019

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a3fe3bb
borrowck: wf-check fn item args
aliemjay Nov 6, 2022
8d4693c
borrowck: use implied bounds from impl header
aliemjay Nov 7, 2022
aac2f84
wf-check type annotations before normalization
aliemjay Nov 8, 2023
66090ef
try fast path for wf type ops
aliemjay Nov 9, 2023
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try fast path for wf type ops
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@aliemjay @lcnr
aliemjay authored and lcnr committed Jan 16, 2024
commit 66090ef7ba5f8586879f8029400a1cc851e7c57f
17 changes: 17 additions & 0 deletions compiler/rustc_trait_selection/src/traits/query/type_op/prove_predicate.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,23 @@ impl<'tcx> super::QueryTypeOp<'tcx> for ProvePredicate<'tcx> {
}
}

if let ty::PredicateKind::Clause(ty::ClauseKind::WellFormed(arg)) =
key.value.predicate.kind().skip_binder()
{
match arg.as_type()?.kind() {
ty::Param(_)
| ty::Bool
| ty::Char
| ty::Int(_)
| ty::Float(_)
| ty::Str
| ty::Uint(_) => {
return Some(());
}
_ => {}
}
}

None
}

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