1 files changed, 9 insertions, 0 deletions
diff --git a/test/CodeGenCXX/x86_64-arguments-avx.cpp b/test/CodeGenCXX/x86_64-arguments-avx.cpp
index 29e693451d12..2933d9445b76 100644
--- a/test/CodeGenCXX/x86_64-arguments-avx.cpp
+++ b/test/CodeGenCXX/x86_64-arguments-avx.cpp
@@ -50,3 +50,12 @@ UU2 PR23082(UU2 x) {
   return x;
 }
 }
+
+namespace test3 {
+union U {
+  __attribute__((__vector_size__(32))) float f1;
+  int f2;
+};
+// CHECK: define i32 @_ZN5test31fENS_1UE({{.*}}* byval align 32
+int f(U u) { return u.f2; }
+}