Merging upstream version 127.0.

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

1 files changed, 20 insertions, 0 deletions

diff --git a/third_party/rust/zerocopy/tests/ui-msrv/transmute-mut-const.rs b/third_party/rust/zerocopy/tests/ui-msrv/transmute-mut-const.rs
new file mode 100644
index 0000000000..021b562f18
--- /dev/null
+++ b/third_party/rust/zerocopy/tests/ui-msrv/transmute-mut-const.rs
@@ -0,0 +1,20 @@
+// Copyright 2023 The Fuchsia Authors
+//
+// Licensed under a BSD-style license <LICENSE-BSD>, Apache License, Version 2.0
+// <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0>, or the MIT
+// license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option.
+// This file may not be copied, modified, or distributed except according to
+// those terms.
+
+include!("../../zerocopy-derive/tests/util.rs");
+
+extern crate zerocopy;
+
+use zerocopy::transmute_mut;
+
+fn main() {}
+
+const ARRAY_OF_U8S: [u8; 2] = [0u8; 2];
+
+// `transmute_mut!` cannot, generally speaking, be used in const contexts.
+const CONST_CONTEXT: &mut [u8; 2] = transmute_mut!(&mut ARRAY_OF_U8S);