X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_trait_selection%2Fsrc%2Fsolve%2Ftrait_goals.rs;h=1cf1efc97049bcb740fa65217a2a18b5983d77fb;hb=fe26182281f3f43e2dd237e9c0335da9059c9959;hp=29ee9da38e08be5b391709294baac16b1630236b;hpb=6c991b07403a3234dd1ec0ac973b8ef97055e605;p=rust.git

diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals.rs b/compiler/rustc_trait_selection/src/solve/trait_goals.rs
index 29ee9da38e0..1cf1efc9704 100644
--- a/compiler/rustc_trait_selection/src/solve/trait_goals.rs
+++ b/compiler/rustc_trait_selection/src/solve/trait_goals.rs
@@ -131,7 +131,7 @@ fn consider_builtin_copy_clone_candidate(
         )
     }
 
-    fn consider_builtin_pointer_sized_candidate(
+    fn consider_builtin_pointer_like_candidate(
         ecx: &mut EvalCtxt<'_, 'tcx>,
         goal: Goal<'tcx, Self>,
     ) -> QueryResult<'tcx> {
@@ -439,6 +439,14 @@ fn consider_builtin_dyn_upcast_candidates(
 
         responses
     }
+
+    fn consider_builtin_discriminant_kind_candidate(
+        ecx: &mut EvalCtxt<'_, 'tcx>,
+        _goal: Goal<'tcx, Self>,
+    ) -> QueryResult<'tcx> {
+        // `DiscriminantKind` is automatically implemented for every type.
+        ecx.make_canonical_response(Certainty::Yes)
+    }
 }
 
 impl<'tcx> EvalCtxt<'_, 'tcx> {