1  /* { dg-do run } */
       2  
       3  int a = 1, b, c = 2, d;
       4  int main() {
       5    if (b)
       6      goto L2;
       7   L1:
       8    {
       9      int e = c;
      10      a = 1 % a;
      11      while (e && 1 <= d)
      12        ;
      13      d >= b;
      14    L2:
      15      if (1 >= e)
      16        goto L1;
      17    }
      18    return 0;
      19  }