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type_ir: add faster exit for types_may_unify

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David Wood
2025-05-13 16:47:10 +00:00
parent a5e1dba0cd
commit febb16a40f
1 changed files with 3 additions and 0 deletions
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compiler/rustc_type_ir/src/fast_reject.rs
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@@ -232,6 +232,9 @@ impl<I: Interner, const INSTANTIATE_LHS_WITH_INFER: bool, const INSTANTIATE_RHS_
} }
pub fn types_may_unify(self, lhs: I::Ty, rhs: I::Ty) -> bool { pub fn types_may_unify(self, lhs: I::Ty, rhs: I::Ty) -> bool {
if lhs == rhs {
return true;
}
self.types_may_unify_inner(lhs, rhs, Self::STARTING_DEPTH) self.types_may_unify_inner(lhs, rhs, Self::STARTING_DEPTH)
} }