gcc/testsuite/gcc.c-torture/execute/pr21964-1.c

   1 void
   2 foo (int n, int m)
   3 {
   4   if (m == 0)
   5     exit (0);
   6   else if (n != 0)
   7     abort ();
   8   else
   9     foo (n++, m - 1);
  10 }
  11
  12 int
  13 main (void)
  14 {
  15   foo (0, 4);
  16 }