Fold vtable_trait_upcasting_coercion_new_vptr_slot logic into obligation processing.

2021-08-18 12:45:18 +08:00
parent 1e605023ec
commit 6b1c52ff25
11 changed files with 137 additions and 87 deletions
--- a/compiler/rustc_ty_utils/src/instance.rs
+++ b/compiler/rustc_ty_utils/src/instance.rs
@@ -381,7 +381,8 @@ fn resolve_associated_item<'tcx>(
        | traits::ImplSource::Param(..)
        | traits::ImplSource::TraitAlias(..)
        | traits::ImplSource::DiscriminantKind(..)
-        | traits::ImplSource::Pointee(..) => None,
+        | traits::ImplSource::Pointee(..)
+        | traits::ImplSource::TraitUpcasting(_) => None,
    })
 }