1int
2test (arg)
3     int arg;
4{
5  if (arg > 0 || arg == 0)
6    return 0;
7  return -1;
8}
9
10main ()
11{
12  if (test (0) != 0)
13    abort ();
14  if (test (-1) != -1)
15    abort ();
16  exit (0);
17}
18