bjoernager/rust
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No peeking

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This commit is contained in:
Dániel Buga 2021-01-22 08:14:25 +01:00
parent 3e9f27dadf
commit 58a90de9ad
1 changed files with 1 additions and 7 deletions
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8
compiler/rustc_typeck/src/check/check.rs
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@ -854,13 +854,7 @@ pub(super) fn check_specialization_validity<'tcx>(
} else {
Some((parent, parent.item(tcx, trait_item.ident, kind, trait_def.def_id)))
}
})
.peekable();
if ancestor_impls.peek().is_none() {
// No parent, nothing to specialize.
return;
}
});
let opt_result = ancestor_impls.find_map(|(parent_impl, parent_item)| {
match parent_item {