src/test/ui/repr/repr-packed-contains-align.rs

// Copyright 2017 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.
#![feature(untagged_unions)]
#![allow(dead_code)]

#[repr(align(16))]
struct SA(i32);

struct SB(SA);

#[repr(align(16))]
union UA {
    i: i32
}

union UB {
    a: UA
}

#[repr(packed)]
struct SC(SA); //~ ERROR: packed type cannot transitively contain a `[repr(align)]` type

#[repr(packed)]
struct SD(SB); //~ ERROR: packed type cannot transitively contain a `[repr(align)]` type

#[repr(packed)]
struct SE(UA); //~ ERROR: packed type cannot transitively contain a `[repr(align)]` type

#[repr(packed)]
struct SF(UB); //~ ERROR: packed type cannot transitively contain a `[repr(align)]` type

#[repr(packed)]
union UC { //~ ERROR: packed type cannot transitively contain a `[repr(align)]` type
    a: UA
}

#[repr(packed)]
union UD { //~ ERROR: packed type cannot transitively contain a `[repr(align)]` type
    n: UB
}

#[repr(packed)]
union UE { //~ ERROR: packed type cannot transitively contain a `[repr(align)]` type
    a: SA
}

#[repr(packed)]
union UF { //~ ERROR: packed type cannot transitively contain a `[repr(align)]` type
    n: SB
}

fn main() {}