// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

// xfail-test

use std::ptr;

enum a_tag {
    a_tag(u64)
}

struct t_rec {
    c8: u8,
    t: a_tag
}

fn mk_rec() -> t_rec {
    return t_rec { c8:0u8, t:a_tag(0u64) };
}

fn is_8_byte_aligned(u: &a_tag) -> bool {
    let p = ptr::to_unsafe_ptr(u) as u64;
    return (p & 7u64) == 0u64;
}

pub fn main() {
    let x = mk_rec();
    assert!(is_8_byte_aligned(&x.t));
}
