1  /* The bit-field below would have a problem if __INT_MAX__ is too
       2     small.  */
       3  #if __INT_MAX__ < 2147483647
       4  int a;
       5  #else
       6  struct s {
       7    int f1 : 26;
       8    int f2 : 8;
       9  };
      10  
      11  f (struct s *x)
      12  {
      13    return x->f2++ == 0;
      14  }
      15  #endif