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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/structs/should_order_fields_correctly.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/structs/should_order_fields_correctly.rs')
-rw-r--r--src/test/ui/transmutability/structs/should_order_fields_correctly.rs36
1 files changed, 0 insertions, 36 deletions
diff --git a/src/test/ui/transmutability/structs/should_order_fields_correctly.rs b/src/test/ui/transmutability/structs/should_order_fields_correctly.rs
deleted file mode 100644
index 28724562b..000000000
--- a/src/test/ui/transmutability/structs/should_order_fields_correctly.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-// check-pass
-//! The fields of a struct should be laid out in lexical order.
-
-#![crate_type = "lib"]
-#![feature(transmutability)]
-#![allow(dead_code)]
-
-mod assert {
- use std::mem::{Assume, BikeshedIntrinsicFrom};
- pub struct Context;
-
- pub fn is_transmutable<Src, Dst>()
- where
- Dst: BikeshedIntrinsicFrom<Src, Context, {
- Assume::ALIGNMENT
- .and(Assume::LIFETIMES)
- .and(Assume::SAFETY)
- .and(Assume::VALIDITY)
- }>
- {}
-}
-
-#[repr(u8)] enum V0 { V = 0 }
-#[repr(u8)] enum V1 { V = 1 }
-#[repr(u8)] enum V2 { V = 2 }
-
-#[repr(C)] struct S01(V0, V1);
-#[repr(C)] struct S012(V0, V1, V2);
-
-fn should_order_tag_and_fields_correctly() {
- // An implementation that (incorrectly) arranges S01 as [0x01, 0x00] will,
- // in principle, reject this transmutation.
- assert::is_transmutable::<S01, V0>();
- // Again, but with one more field.
- assert::is_transmutable::<S012, S01>();
-}