gcc-4.9/gcc/testsuite/gcc.c-torture/unsorted/xb.c


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foo (a, b)
{
  unsigned x = 1;

  a += b;
  a += x;
  if (a <= 0)
    return 1;
  return 0;
}

main ()
{
  printf ("%d\n", foo (1, ~0));
  printf ("%d\n", foo (0, ~0));
  printf ("%d\n", foo (-1, ~0));
}