gcc/testsuite/gcc.dg/pr103721.c

   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 }