modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compile/xb.c (about)

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