1  /* { dg-do compile } */
       2  /* { dg-options "-O3" } */
       3  
       4  int a, b;
       5  char c;
       6  void fn1() {
       7    b = 30;
       8    for (; b <= 32; b++) {
       9      c = -17;
      10      for (; c <= 56; c++)
      11        a -= 0 == (c || b);
      12    }
      13  }