1  // { dg-do run }
       2  // { dg-options "-O2" }
       3  
       4  int ipos = 0;
       5  int f (int world)
       6  {
       7    int searchVolume = world;
       8    int currentVolume = 0;
       9    while (currentVolume != searchVolume && searchVolume) {
      10      currentVolume = searchVolume;
      11      if (ipos != 0)
      12        searchVolume = 0;
      13      else
      14        searchVolume = 1;
      15    }
      16    return (currentVolume);
      17  }
      18  int main()
      19  {
      20    const int i = f (1111);
      21    __builtin_printf ("%d\n", (int)(i));
      22    if (i != 1)
      23     __builtin_abort ();
      24    return 0;
      25  }