1  /* { dg-do compile } */
       2  /* { dg-options "-ftree-loop-distribution -funswitch-loops -w" } */
       3  
       4  int a, b;
       5  
       6  void f(void)
       7  {
       8  lbl1:
       9      for(b = 0; b < 1; b++)
      10      {
      11          int u = 1;
      12  
      13          if((b %= 0) * (b ? 0 : a) - 1 && (u /= 0))
      14          {
      15              int *q = &u, **k = q;
      16              goto lbl1;
      17  lbl2:
      18  lbl3:
      19              a = **k;
      20              goto lbl2;
      21          }
      22      }
      23      goto lbl3;
      24  }