gcc/testsuite/gcc.dg/pr103721.c


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// { dg-do run }
// { dg-options "-O2" }

int ipos = 0;
int f (int world)
{
  int searchVolume = world;
  int currentVolume = 0;
  while (currentVolume != searchVolume && searchVolume) {
    currentVolume = searchVolume;
    if (ipos != 0)
      searchVolume = 0;
    else
      searchVolume = 1;
  }
  return (currentVolume);
}
int main()
{
  const int i = f (1111);
  __builtin_printf ("%d\n", (int)(i));
  if (i != 1)
   __builtin_abort ();
  return 0;
}