| 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 | */ |
| 6 | int printf(const char * restrict format, ...); |
| 7 | |
| 8 | union X { char X; void *B; int a, b, c, d;}; |
| 9 | |
| 10 | union X foo() { |
| 11 | union X Global; |
| 12 | Global.B = (void*)123; /* Interesting part */ |
| 13 | return Global; |
| 14 | } |
| 15 | |
| 16 | int main() { |
| 17 | union X test = foo(); |
| 18 | printf("0x%p", test.B); |
| 19 | } |
| 20 |