--- /dev/null
+// RUN: %llvmgcc -S %s -o - | llvm-as -f -o /dev/null
+
+/* In this testcase, the return value of foo() is being promotedto a register
+ * which breaks stuff
+ */
+#include <stdio.h>
+
+union X { char X; void *B; int a, b, c, d;};
+
+union X foo() {
+ union X Global;
+ Global.B = (void*)123; /* Interesting part */
+ return Global;
+}
+
+void main() {
+ union X test = foo();
+ printf("0x%p", test.B);
+}