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Fix match for placeholder region

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This commit is contained in:
Ankit Chandawala 2021-09-21 09:31:59 +01:00
parent e7958d35ca
commit d4ee6982e4
1 changed files with 4 additions and 1 deletions
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5
compiler/rustc_middle/src/ich/impls_ty.rs
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@ -90,7 +90,10 @@ impl<'a> HashStable<StableHashingContext<'a>> for ty::RegionKind {
ty::ReFree(ref free_region) => { ty::ReFree(ref free_region) => {
free_region.hash_stable(hcx, hasher); free_region.hash_stable(hcx, hasher);
} }
ty::ReVar(..) | ty::RePlaceholder(..) => { ty::RePlaceholder(p) => {
p.hash_stable(hcx, hasher);
}
ty::ReVar(..) => {
bug!("StableHasher: unexpected region {:?}", *self) bug!("StableHasher: unexpected region {:?}", *self)
} }
} }