1  /* { dg-do run } */
       2  /* { dg-options "-Os" } */
       3  /* { dg-timeout 10 } */
       4  
       5  int a, b, c, d, e;
       6  int main() {
       7    int f = 2, g = 1, h = -3;
       8  L1:
       9    c = b ^ 1;
      10    if (!f)
      11      goto L3;
      12    if (d)
      13      g = e;
      14    f = h;
      15    if (!c)
      16      goto L1;
      17  L2:
      18    if (g)
      19      a = 0;
      20  L3:
      21    if (d == g)
      22      goto L2;
      23    return 0;
      24  }