change map_bound(|_| x to rebind(x

2022-07-21 07:45:49 +00:00
parent 8464396a19
commit a0ebb2ed8b
3 changed files with 6 additions and 6 deletions
--- a/compiler/rustc_middle/src/ty/mod.rs
+++ b/compiler/rustc_middle/src/ty/mod.rs
@@ -580,7 +580,7 @@ impl<'tcx> Predicate<'tcx> {
        if let PredicateKind::Trait(TraitPredicate { trait_ref, constness, polarity }) = self.kind().skip_binder()
            && constness != BoundConstness::NotConst
        {
-            self = tcx.mk_predicate(self.kind().map_bound(|_| PredicateKind::Trait(TraitPredicate {
+            self = tcx.mk_predicate(self.kind().rebind(PredicateKind::Trait(TraitPredicate {
                trait_ref,
                constness: BoundConstness::NotConst,
                polarity,