1  /* { dg-do compile } */
       2  
       3  int a, b, c;
       4  
       5  int
       6  main ()
       7  {
       8    for (; c; c++)
       9      for (a = 0; a < 4; a++)
      10        {
      11  	c &= 5;
      12  	for (b = 0; b < 2; b++)
      13  	  c |= 1;
      14        }
      15    return 0; 
      16  }