gcc/testsuite/gcc.c-torture/compile/xb.c

   1 /* { dg-additional-options "-std=gnu89" } */
   2
   3 foo (a, b)
   4 {
   5   unsigned x = 1;
   6
   7   a += b;
   8   a += x;
   9   if (a <= 0)
  10     return 1;
  11   return 0;
  12 }
  13
  14 main ()
  15 {
  16   printf ("%d\n", foo (1, ~0));
  17   printf ("%d\n", foo (0, ~0));
  18   printf ("%d\n", foo (-1, ~0));
  19 }