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remove trivial mk_predicates

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Bastian Kauschke 2020-05-29 21:04:01 +02:00
parent 96dd4690c3
commit 8f8cb710cc
1 changed files with 2 additions and 1 deletions
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3
src/librustc_middle/ty/structural_impls.rs
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@ -987,7 +987,8 @@ impl<'tcx> TypeFoldable<'tcx> for ty::Region<'tcx> {
impl<'tcx> TypeFoldable<'tcx> for ty::Predicate<'tcx> {
fn super_fold_with<F: TypeFolder<'tcx>>(&self, folder: &mut F) -> Self {
folder.tcx().mk_predicate(ty::PredicateKind::super_fold_with(self.kind, folder))
let new = ty::PredicateKind::super_fold_with(self.kind, folder);
if new != *self.kind { folder.tcx().mk_predicate(new) } else { *self }
}
fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool {