1 files changed, 6 insertions, 0 deletions
diff --git a/test/Modules/Inputs/cxx-inline-namespace.h b/test/Modules/Inputs/cxx-inline-namespace.h
index 2525ad3569c0..4feb8501801e 100644
--- a/test/Modules/Inputs/cxx-inline-namespace.h
+++ b/test/Modules/Inputs/cxx-inline-namespace.h
@@ -9,3 +9,9 @@ namespace std {
     typedef int size_t;
   }
 }
+
+namespace X {
+  inline namespace Y {
+    struct Z;
+  }
+}