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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/union/union-derive-clone.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/union/union-derive-clone.rs')
-rw-r--r--src/test/ui/union/union-derive-clone.rs39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/ui/union/union-derive-clone.rs b/src/test/ui/union/union-derive-clone.rs
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+++ b/src/test/ui/union/union-derive-clone.rs
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+// revisions: mirunsafeck thirunsafeck
+// [thirunsafeck]compile-flags: -Z thir-unsafeck
+
+use std::mem::ManuallyDrop;
+
+#[derive(Clone)] //~ ERROR the trait bound `U1: Copy` is not satisfied
+union U1 {
+ a: u8,
+}
+
+#[derive(Clone)]
+union U2 {
+ a: u8, // OK
+}
+
+impl Copy for U2 {}
+
+#[derive(Clone, Copy)]
+union U3 {
+ a: u8, // OK
+}
+
+#[derive(Clone, Copy)]
+union U4<T: Copy> {
+ a: T, // OK
+}
+
+#[derive(Clone, Copy)]
+union U5<T> {
+ a: ManuallyDrop<T>, // OK
+}
+
+#[derive(Clone)]
+struct CloneNoCopy;
+
+fn main() {
+ let u = U5 { a: ManuallyDrop::new(CloneNoCopy) };
+ let w = u.clone(); //~ ERROR the method
+}