1  /* { dg-do run } */
       2  
       3  int a, b, c[2][8];
       4  
       5  int main ()
       6  {
       7    for (a = 0; a < 8; a++)
       8      for (b = 0; b < 2; b++)
       9        c[b][a] = c[b][b + 6] ^ 1;
      10  
      11    if (c[0][7] != 0) 
      12      __builtin_abort ();
      13  
      14    return 0; 
      15  }