1// RUN: %clang_cc1 -emit-llvm %s  -o /dev/null
2
3/* In this testcase, the return value of foo() is being promoted to a register
4 * which breaks stuff
5 */
6int printf(const char * restrict format, ...);
7
8union X { char X; void *B; int a, b, c, d;};
9
10union X foo() {
11  union X Global;
12  Global.B = (void*)123;   /* Interesting part */
13  return Global;
14}
15
16int main() {
17  union X test = foo();
18  printf("0x%p", test.B);
19}
20