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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:43:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:43:14 +0000 |
commit | 8dd16259287f58f9273002717ec4d27e97127719 (patch) | |
tree | 3863e62a53829a84037444beab3abd4ed9dfc7d0 /third_party/rust/zerocopy-derive/tests/ui-stable/union.rs | |
parent | Releasing progress-linux version 126.0.1-1~progress7.99u1. (diff) | |
download | firefox-8dd16259287f58f9273002717ec4d27e97127719.tar.xz firefox-8dd16259287f58f9273002717ec4d27e97127719.zip |
Merging upstream version 127.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/zerocopy-derive/tests/ui-stable/union.rs')
-rw-r--r-- | third_party/rust/zerocopy-derive/tests/ui-stable/union.rs | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/third_party/rust/zerocopy-derive/tests/ui-stable/union.rs b/third_party/rust/zerocopy-derive/tests/ui-stable/union.rs new file mode 100644 index 0000000000..8938e78478 --- /dev/null +++ b/third_party/rust/zerocopy-derive/tests/ui-stable/union.rs @@ -0,0 +1,73 @@ +// Copyright 2019 The Fuchsia Authors +// +// Licensed under a BSD-style license <LICENSE-BSD>, Apache License, Version 2.0 +// <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0>, or the MIT +// license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option. +// This file may not be copied, modified, or distributed except according to +// those terms. + +#[macro_use] +extern crate zerocopy; + +#[path = "../util.rs"] +mod util; + +use self::util::AU16; +use std::mem::ManuallyDrop; + +fn main() {} + +// +// AsBytes errors +// + +#[derive(AsBytes)] +#[repr(C)] +union AsBytes1<T> { + foo: ManuallyDrop<T>, +} + +#[derive(AsBytes)] +#[repr(C)] +union AsBytes2 { + foo: u8, + bar: [u8; 2], +} + +// +// Unaligned errors +// + +#[derive(Unaligned)] +#[repr(C, align(2))] +union Unaligned1 { + foo: i16, + bar: AU16, +} + +// Transparent unions are unstable; see issue #60405 +// <https://github.com/rust-lang/rust/issues/60405> for more information. + +// #[derive(Unaligned)] +// #[repr(transparent, align(2))] +// union Unaligned2 { +// foo: u8, +// } + +#[derive(Unaligned)] +#[repr(packed, align(2))] +union Unaligned3 { + foo: u8, +} + +#[derive(Unaligned)] +#[repr(align(1), align(2))] +struct Unaligned4 { + foo: u8, +} + +#[derive(Unaligned)] +#[repr(align(2), align(4))] +struct Unaligned5 { + foo: u8, +} |