20 lines
416 B
C
20 lines
416 B
C
|
// RUN: %clang_cc1 -emit-llvm %s -o /dev/null
|
||
|
|
|
||
|
|
/* In this testcase, the return value of foo() is being promoted to a register
|
||
|
|
* which breaks stuff
|
||
|
|
*/
|
||
|
|
int printf(const char * restrict format, ...);
|
||
|
|
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
union X test = foo();
|
||
|
|
printf("0x%p", test.B);
|
||
|
|
}
|