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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/union/union-deref.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/union/union-deref.rs')
-rw-r--r--src/test/ui/union/union-deref.rs29
1 files changed, 0 insertions, 29 deletions
diff --git a/src/test/ui/union/union-deref.rs b/src/test/ui/union/union-deref.rs
deleted file mode 100644
index 5aa28d93f..000000000
--- a/src/test/ui/union/union-deref.rs
+++ /dev/null
@@ -1,29 +0,0 @@
-// revisions: mirunsafeck thirunsafeck
-// [thirunsafeck]compile-flags: -Z thir-unsafeck
-
-//! Test the part of RFC 2514 that is about not applying `DerefMut` coercions
-//! of union fields.
-
-use std::mem::ManuallyDrop;
-
-union U1<T> { x:(), f: ManuallyDrop<(T,)> }
-
-union U2<T> { x:(), f: (ManuallyDrop<(T,)>,) }
-
-fn main() {
- let mut u : U1<Vec<i32>> = U1 { x: () };
- unsafe { (*u.f).0 = Vec::new() }; // explicit deref, this compiles
- unsafe { u.f.0 = Vec::new() }; //~ERROR not automatically applying `DerefMut` on `ManuallyDrop` union field
- unsafe { &mut (*u.f).0 }; // explicit deref, this compiles
- unsafe { &mut u.f.0 }; //~ERROR not automatically applying `DerefMut` on `ManuallyDrop` union field
- unsafe { (*u.f).0.push(0) }; // explicit deref, this compiles
- unsafe { u.f.0.push(0) }; //~ERROR not automatically applying `DerefMut` on `ManuallyDrop` union field
-
- let mut u : U2<Vec<i32>> = U2 { x: () };
- unsafe { (*u.f.0).0 = Vec::new() }; // explicit deref, this compiles
- unsafe { u.f.0.0 = Vec::new() }; //~ERROR not automatically applying `DerefMut` on `ManuallyDrop` union field
- unsafe { &mut (*u.f.0).0 }; // explicit deref, this compiles
- unsafe { &mut u.f.0.0 }; //~ERROR not automatically applying `DerefMut` on `ManuallyDrop` union field
- unsafe { (*u.f.0).0.push(0) }; // explicit deref, this compiles
- unsafe { u.f.0.0.push(0) }; //~ERROR not automatically applying `DerefMut` on `ManuallyDrop` union field
-}