1  /* PR target/39431 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2" } */
       4  /* { dg-additional-options "-march=i686 -fpic" { target { ia32 && fpic } } } */
       5  
       6  extern void bar (char *, int);
       7  
       8  int
       9  foo (long long *p, long long oldv, long long *q, int n)
      10  {
      11    char buf[n];
      12    bar (buf, n);
      13    p[256 + n] = __sync_val_compare_and_swap (p + n, oldv, oldv + 6);
      14    return __sync_bool_compare_and_swap (q + n, oldv, oldv + 8);
      15  }