1  /* { dg-do compile } */
       2  /* { dg-options "-O" } */
       3  
       4  int a, b, d, e, f, i, j, k, l, m;
       5  unsigned c;
       6  int g[] = { }, h[0];
       7  
       8  int
       9  fn1 () {
      10    return 0;
      11  }
      12  
      13  void
      14  fn2 () {
      15    c = 0;
      16    e = 0;
      17    for (;; e = 0)
      18      if (f > j) {
      19        k = fn1 ();
      20        l = (d || k) * b;
      21        m = l * a;
      22        h[0] = m <= i;
      23      } else
      24        i = g[c];
      25  }