Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/test/ui/moves/move-of-addr-of-mut.rs b/src/test/ui/moves/move-of-addr-of-mut.rs
new file mode 100644
index 000000000..19fd70286
--- /dev/null
+++ b/src/test/ui/moves/move-of-addr-of-mut.rs
@@ -0,0 +1,12 @@
+// Ensure that taking a mutable raw ptr to an uninitialized variable does not change its
+// initializedness.
+
+struct S;
+
+fn main() {
+    let mut x: S;
+    std::ptr::addr_of_mut!(x); //~ ERROR E0381
+
+    let y = x; // Should error here if `addr_of_mut` is ever allowed on uninitialized variables
+    drop(y);
+}