gcc/testsuite/gcc.c-torture/execute/931228-1.c

   1 /* { dg-additional-options "-std=gnu89" } */
   2 f (x)
   3 {
   4   x &= 010000;
   5   x &= 007777;
   6   x ^= 017777;
   7   x &= 017770;
   8   return x;
   9 }
  10
  11 main ()
  12 {
  13   if (f (-1) != 017770)
  14     abort ();
  15   exit (0);
  16 }