1  /* { dg-do compile } */
       2  
       3  int
       4  nf (int gy, int x0)
       5  {
       6    while (gy < 1)
       7      ++x0;
       8  
       9    gy += !!gy;
      10    if (gy < 0)
      11      {
      12        x0 += gy;
      13        return (x0 > (gy + x0)) ? (1 / 0) : 1; /* { dg-warning "division by zero" } */
      14      }
      15  }
      16