modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/execute/20000503-1.c (about)

     1  unsigned long
     2  sub (int a)
     3  {
     4    return ((0 > a - 2) ? 0 : a - 2) * sizeof (long);
     5  }
     6  
     7  main ()
     8  {
     9    if (sub (0) != 0)
    10      abort ();
    11  
    12    exit (0);
    13  }