1  /* PR rtl-optimization/78911 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O3 -fno-strict-aliasing -fno-omit-frame-pointer" } */
       4  /* { dg-additional-options "-fPIC" { target fpic } } */
       5  /* { dg-additional-options "-march=pentium-m" { target ia32 } } */
       6  
       7  int a, b, d, e;
       8  long long *c;
       9  
      10  static int
      11  foo (long long *x)
      12  {
      13    return __sync_val_compare_and_swap (x, b, a);
      14  }
      15  
      16  void
      17  bar (void)
      18  {
      19    if (!c)
      20      return;
      21    e = foo (&c[d]);
      22  }