diff --git a/test/CFrontend/2003-10-09-UnionInitializerBug.c b/test/CFrontend/2003-10-09-UnionInitializerBug.c
new file mode 100644
index 00000000000..e574a1931d3
--- /dev/null
+++ b/test/CFrontend/2003-10-09-UnionInitializerBug.c
@@ -0,0 +1,15 @@
+struct Foo {
+    unsigned a;
+    unsigned b;
+    unsigned c;
+};
+
+struct Bar {
+    union {
+        void **a;
+        struct Foo b;
+    }u;
+};
+
+struct Bar test = {0};
+