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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /src/test/ui/transmutability/unions/should_reject_intersecting.rs
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-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.rs38
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
-}