Don't allow implement CoerceUnsized into dyn-star

2022-10-22 03:41:09 +00:00
parent a3c0a02361
commit 0af211af67
3 changed files with 19 additions and 1 deletions
--- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs
+++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs
@@ -840,7 +840,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
            }

            // `T` -> `Trait`
-            (_, &ty::Dynamic(..)) => {
+            (_, &ty::Dynamic(_, _, ty::Dyn)) => {
                candidates.vec.push(BuiltinUnsizeCandidate);
            }