Stop using PolyTraitRef for closure/coroutine predicates already instantiated w placeholders

2024-04-13 12:34:35 -04:00
parent 3a0db6c152
commit d2ec957680
5 changed files with 29 additions and 28 deletions
--- a/compiler/rustc_middle/src/traits/mod.rs
+++ b/compiler/rustc_middle/src/traits/mod.rs
@@ -620,11 +620,10 @@ pub enum SelectionError<'tcx> {
    OpaqueTypeAutoTraitLeakageUnknown(DefId),
 }

-// FIXME(@lcnr): The `Binder` here should be unnecessary. Just use `TraitRef` instead.
 #[derive(Clone, Debug, TypeVisitable)]
 pub struct SignatureMismatchData<'tcx> {
-    pub found_trait_ref: ty::PolyTraitRef<'tcx>,
-    pub expected_trait_ref: ty::PolyTraitRef<'tcx>,
+    pub found_trait_ref: ty::TraitRef<'tcx>,
+    pub expected_trait_ref: ty::TraitRef<'tcx>,
    pub terr: ty::error::TypeError<'tcx>,
 }