1 files changed, 20 insertions, 0 deletions
diff --git a/tests/headers/anon_union.hpp b/tests/headers/anon_union.hpp
new file mode 100644
index 00000000..126f6a6e
--- /dev/null
+++ b/tests/headers/anon_union.hpp
@@ -0,0 +1,20 @@
+template<typename T>
+struct TErrorResult {
+  enum UnionState {
+    HasMessage,
+    HasException,
+  };
+  int mResult;
+  struct Message;
+  struct DOMExceptionInfo;
+  union {
+    Message* mMessage;
+    DOMExceptionInfo* mDOMExceptionInfo;
+  };
+
+  bool mMightHaveUnreported;
+  UnionState mUnionState;
+};
+
+struct ErrorResult : public TErrorResult<int> {
+};