modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr77718.c (about)

     1  /* PR middle-end/77718 */
     2  
     3  char a[64] __attribute__((aligned (8)));
     4  
     5  __attribute__((noinline, noclone)) int
     6  foo (void)
     7  {
     8    return __builtin_memcmp ("bbbbbb", a, 6);
     9  }
    10  
    11  __attribute__((noinline, noclone)) int
    12  bar (void)
    13  {
    14    return __builtin_memcmp (a, "bbbbbb", 6);
    15  }
    16  
    17  int
    18  main ()
    19  {
    20    __builtin_memset (a, 'a', sizeof (a));
    21    if (((foo () < 0) ^ ('a' > 'b'))
    22        || ((bar () < 0) ^ ('a' < 'b')))
    23      __builtin_abort ();
    24    return 0;
    25  }