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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 /tests/ui/union/issue-41073.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 'tests/ui/union/issue-41073.rs')
-rw-r--r--tests/ui/union/issue-41073.rs22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/union/issue-41073.rs b/tests/ui/union/issue-41073.rs
new file mode 100644
index 000000000..4dfdc606b
--- /dev/null
+++ b/tests/ui/union/issue-41073.rs
@@ -0,0 +1,22 @@
+union Test {
+ a: A, //~ ERROR unions cannot contain fields that may need dropping
+ b: B
+}
+
+#[derive(Debug)]
+struct A(i32);
+impl Drop for A {
+ fn drop(&mut self) { println!("A"); }
+}
+
+#[derive(Debug)]
+struct B(f32);
+impl Drop for B {
+ fn drop(&mut self) { println!("B"); }
+}
+
+fn main() {
+ let mut test = Test { a: A(3) };
+ println!("{:?}", unsafe { test.b });
+ unsafe { test.b = B(0.5); }
+}