1  /* PR target/56225 */
       2  /* { dg-do compile { target { ia32 && fpic } } } */
       3  /* { dg-options "-O2 -fno-omit-frame-pointer -march=i686 -fpic" } */
       4  
       5  void NoBarrier_AtomicExchange (long long *ptr) {
       6    while (__sync_val_compare_and_swap (ptr, 1, 0) );
       7  }