1 files changed, 7 insertions, 0 deletions
diff --git a/test/Modules/Inputs/template-default-args/d.h b/test/Modules/Inputs/template-default-args/d.h
index 5961c91a82ec9..07ececc1f41d4 100644
--- a/test/Modules/Inputs/template-default-args/d.h
+++ b/test/Modules/Inputs/template-default-args/d.h
@@ -4,3 +4,10 @@ struct FriendL {
   template<typename T> friend struct L;
 };
 END
+
+namespace DeferredLookup {
+  namespace Indirect {
+    template<typename, bool = true> struct A {};
+    template<typename> struct B { template<typename T> using C = A<T>; };
+  }
+}