1  /* { dg-do compile } */
       2  /* { dg-options "-O3" } */
       3  
       4  int printf(const char *, ...);
       5  int c, d, *e, f[1][2], g;
       6  int main() {
       7    int h = 0, *a = &h, **b[1] = {&a};
       8    while (e)
       9      while (g) {
      10      L:
      11        for (h = 0; h < 2; h++) {
      12          while (d)
      13            for (*e = 0; *e < 1;)
      14              printf("0");
      15          while (c)
      16            ;
      17          f[g][h] = 0;
      18        }
      19      }
      20    if (h)
      21      goto L;
      22    return 0;
      23  }
      24