1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fno-tree-ccp -fno-tree-dce -fno-tree-vrp" } */
       3  
       4  int a, b;
       5  int main() {
       6    int c = 2, d, e = 0;
       7    if (a)
       8      e = 2;
       9    int f, g = -(1L | (e && f && f & e));
      10    if (g)
      11    L:
      12      g = c;
      13    c = 0;
      14    d = e * g;
      15    if (d)
      16      goto L;
      17    while (e) {
      18      int i = (a && b) * i;
      19    }
      20    return 0;
      21  }