1 files changed, 9 insertions, 0 deletions
diff --git a/test/CodeGenCXX/x86_64-arguments.cpp b/test/CodeGenCXX/x86_64-arguments.cpp
index 64202b4..c7eca23 100644
--- a/test/CodeGenCXX/x86_64-arguments.cpp
+++ b/test/CodeGenCXX/x86_64-arguments.cpp
@@ -212,3 +212,12 @@ int FuncForDerivedPacked(DerivedPacked d) {
   return d.three;
 }
 }
+
+namespace test11 {
+union U {
+  float f1;
+  char __attribute__((__vector_size__(1))) f2;
+};
+int f(union U u) { return u.f2[1]; }
+// CHECK-LABEL: define i32 @_ZN6test111fENS_1UE(i32
+}