diff --git a/test/CFrontend/2002-05-23-TypeNameCollision.c b/test/CFrontend/2002-05-23-TypeNameCollision.c
index 49d92806051..35508c95ce3 100644
--- a/test/CFrontend/2002-05-23-TypeNameCollision.c
+++ b/test/CFrontend/2002-05-23-TypeNameCollision.c
@@ -5,5 +5,13 @@ typedef struct foo {
   int Y;
 } * foo;
 
-foo F;
+foo F1;
+struct foo *F2;
+
+enum bar { test1, test2 };
+
+typedef float bar;
+
+enum bar B1;
+bar B2;