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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/should_reject_intersecting.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/should_reject_intersecting.rs')
-rw-r--r-- | src/test/ui/transmutability/unions/should_reject_intersecting.rs | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/src/test/ui/transmutability/unions/should_reject_intersecting.rs b/src/test/ui/transmutability/unions/should_reject_intersecting.rs deleted file mode 100644 index 9cd4233ee..000000000 --- a/src/test/ui/transmutability/unions/should_reject_intersecting.rs +++ /dev/null @@ -1,38 +0,0 @@ -//! ALL valid bit patterns of the source must be valid bit patterns of the -//! destination type, unless validity is assumed. - -#![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_transmutable<Src, Dst>() - where - Dst: BikeshedIntrinsicFrom<Src, Context, { Assume::SAFETY }> - // validity is NOT assumed --------------^^^^^^^^^^^^^^^^^^ - {} -} - -#[derive(Clone, Copy)] #[repr(u8)] enum Ox00 { V = 0x00 } -#[derive(Clone, Copy)] #[repr(u8)] enum Ox7F { V = 0x7F } -#[derive(Clone, Copy)] #[repr(u8)] enum OxFF { V = 0xFF } - -fn test() { - #[repr(C)] - union A { - a: Ox00, - b: Ox7F, - } - - #[repr(C)] - union B { - a: Ox7F, - b: OxFF, - } - - assert::is_transmutable::<A, B>(); //~ ERROR cannot be safely transmuted - assert::is_transmutable::<B, A>(); //~ ERROR cannot be safely transmuted -} |