1  /* PR rtl-optimization/56745 */
       2  
       3  unsigned char a[6];
       4  
       5  void
       6  foo ()
       7  {
       8    int i;
       9    for (i = 5; i >= 0; i++)
      10      {
      11        if (++a[i] != 0)
      12  	break;
      13        ++a[i];
      14      }
      15  }