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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /src/test/ui/transmutability/unions/repr/should_require_well_defined_layout.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/transmutability/unions/repr/should_require_well_defined_layout.rs')
-rw-r--r-- | src/test/ui/transmutability/unions/repr/should_require_well_defined_layout.rs | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/src/test/ui/transmutability/unions/repr/should_require_well_defined_layout.rs b/src/test/ui/transmutability/unions/repr/should_require_well_defined_layout.rs deleted file mode 100644 index b1d5f71dc..000000000 --- a/src/test/ui/transmutability/unions/repr/should_require_well_defined_layout.rs +++ /dev/null @@ -1,44 +0,0 @@ -//! A struct must have a well-defined layout to participate in a transmutation. - -#![crate_type = "lib"] -#![feature(transmutability)] -#![allow(dead_code, incomplete_features, non_camel_case_types)] - -mod assert { - use std::mem::{Assume, BikeshedIntrinsicFrom}; - pub struct Context; - - pub fn is_maybe_transmutable<Src, Dst>() - where - Dst: BikeshedIntrinsicFrom<Src, Context, { - Assume { - alignment: true, - lifetimes: true, - safety: true, - validity: true, - } - }> - {} -} - -fn should_reject_repr_rust() -{ - union repr_rust { - a: u8 - } - - assert::is_maybe_transmutable::<repr_rust, ()>(); //~ ERROR cannot be safely transmuted - assert::is_maybe_transmutable::<u128, repr_rust>(); //~ ERROR cannot be safely transmuted -} - -fn should_accept_repr_C() -{ - #[repr(C)] - union repr_c { - a: u8 - } - - struct repr_rust; - assert::is_maybe_transmutable::<repr_c, ()>(); - assert::is_maybe_transmutable::<u128, repr_c>(); -} |