153541Sshin/* { dg-do compile } */
253541Sshin/* { dg-options "-O" } */
353541Sshin
453541Sshinstruct S1 {
553541Sshin  int f0;
653541Sshin  int f1;
753541Sshin};
853541Sshin
953541Sshinint fn1 ();
1053541Sshinvoid fn2 (struct S1);
1153541Sshin
1253541Sshinvoid
1353541Sshinfn3 () {
1453541Sshin  struct S1 a = { 1, 0 };
1553541Sshin  if (fn1 ())
1653541Sshin    fn2 (a);
1753541Sshin  for (; a.f1;) {
1853541Sshin  }
1953541Sshin}
2053541Sshin