1  /* { dg-do compile } */
       2  /* { dg-options "-O -fno-omit-frame-pointer -fschedule-insns2 -fsched2-use-superblocks -g" } */
       3  /* { dg-require-effective-target scheduling } */
       4  
       5  int
       6  bar (int i)
       7  {
       8    while (i)
       9      if (i)
      10        return i;
      11  }
      12  
      13  void
      14  foo ()
      15  {
      16    bar (0);
      17  }