1 files changed, 8 insertions, 0 deletions
diff --git a/clang/test/Modules/Inputs/submodules-merge-defs/defs.h b/clang/test/Modules/Inputs/submodules-merge-defs/defs.h
index e4c86d80ba6..670c400ae3b 100644
--- a/clang/test/Modules/Inputs/submodules-merge-defs/defs.h
+++ b/clang/test/Modules/Inputs/submodules-merge-defs/defs.h
@@ -103,3 +103,11 @@ namespace RedeclDifferentDeclKind {
   typedef X X;
   using RedeclDifferentDeclKind::X;
 }
+
+namespace Anon {
+  struct X {
+    union {
+      int n;
+    };
+  };
+}