1 files changed, 7 insertions, 1 deletions
diff --git a/clang/test/CodeGen/union-init2.c b/clang/test/CodeGen/union-init2.c
index bd56f9e688a..1386c27cc0b 100644
--- a/clang/test/CodeGen/union-init2.c
+++ b/clang/test/CodeGen/union-init2.c
@@ -1,7 +1,13 @@
 // RUN: %clang_cc1 -emit-llvm %s -o - -triple i686-pc-linux-gnu | FileCheck %s
 
 // Make sure we generate something sane instead of a ptrtoint
+// CHECK: bitcast (%0* @r to %union.x*), [4 x i8] undef
 union x {long long b;union x* a;} r = {.a = &r};
 
 
-// CHECK: bitcast (%0* @r to %union.x*), [4 x i8] zero
-\ No newline at end of file
+// CHECK: global %1 { [3 x i8] zeroinitializer, [5 x i8] undef }
+union z {
+  char a[3];
+  long long b;
+};
+union z y = {};