From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/nll/issue-55651.rs | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 tests/ui/nll/issue-55651.rs (limited to 'tests/ui/nll/issue-55651.rs') diff --git a/tests/ui/nll/issue-55651.rs b/tests/ui/nll/issue-55651.rs new file mode 100644 index 000000000..75ba48271 --- /dev/null +++ b/tests/ui/nll/issue-55651.rs @@ -0,0 +1,28 @@ +// check-pass + +use std::mem::ManuallyDrop; + +struct A; +struct B; + +union U { + a: ManuallyDrop, + b: ManuallyDrop, +} + +fn main() { + unsafe { + { + let mut u = U { a: ManuallyDrop::new(A) }; + let a = u.a; + u.a = ManuallyDrop::new(A); + let a = u.a; // OK + } + { + let mut u = U { a: ManuallyDrop::new(A) }; + let a = u.a; + u.b = ManuallyDrop::new(B); + let a = u.a; // OK + } + } +} -- cgit v1.2.3