Rollup merge of #103488 - oli-obk:impl_trait_for_tait, r=lcnr

[rust.git] / compiler / rustc_middle / src / ty / structural_impls.rs

diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs
index 9f0598d0ba86b2e461b2110c57f4465859bbc92a..64b4fd11762522159beb29ec3368466be0c3c10a 100644 (file)
--- a/compiler/rustc_middle/src/ty/structural_impls.rs
+++ b/compiler/rustc_middle/src/ty/structural_impls.rs
@@ -173,6 +173,7 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
             ty::PredicateKind::TypeWellFormedFromEnv(ty) => {
                 write!(f, "TypeWellFormedFromEnv({:?})", ty)
             }
+            ty::PredicateKind::Ambiguous => write!(f, "Ambiguous"),
         }
     }
 }
@@ -586,7 +587,7 @@ fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow
     }
 }
 
-impl<'tcx> TypeFoldable<'tcx> for &'tcx ty::List<ty::Binder<'tcx, ty::ExistentialPredicate<'tcx>>> {
+impl<'tcx> TypeFoldable<'tcx> for &'tcx ty::List<ty::PolyExistentialPredicate<'tcx>> {
     fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> {
         ty::util::fold_list(self, folder, |tcx, v| tcx.intern_poly_existential_predicates(v))
     }