1  /* PR middle-end/71269 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O1" } */
       4  
       5  int a, b, c;
       6  void  fn2 (int);
       7  void fn1 ()
       8  {
       9    fn2 (sizeof 0 + c + a + b + b);
      10  }