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
