1  /* { dg-do compile } */
       2  
       3  void foo (int *, int *);
       4  int bar ()
       5  {
       6    int a = 0;
       7    int b = 0;
       8    if (b != 0)
       9      {
      10        int ax = a;
      11        int bx = b;
      12        while (bx != 0)
      13  	{
      14  	  int tem = ax % bx;
      15  	  ax = bx;
      16  	  bx = tem;
      17  	}
      18      }
      19    foo (&a, &b);
      20  }