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Rollup merge of #89142 - nerandell:master, r=jackh726

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Fix match for placeholder region

cc #89118
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the8472 2021-09-21 22:54:07 +02:00 committed by GitHub
commit aca790b3d6
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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) => {
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)
}
}