1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  
       4  extern int si;
       5  long
       6  test_types (void)
       7  {
       8    unsigned int u2 = __atomic_fetch_xor (&si, 0, 5);
       9    return u2;
      10  }