1  int a;
       2  
       3  int main ()
       4  {
       5    int b = a; 
       6  
       7    for (a = 1; a > 0; a--)
       8      ;
       9  
      10   lbl:
      11    if (b && a)
      12      goto lbl; 
      13  
      14    return 0;
      15  }