1 files changed, 15 insertions, 0 deletions
diff --git a/third_party/rust/zerocopy/tests/ui-nightly/transmute-mut-illegal-lifetime.rs b/third_party/rust/zerocopy/tests/ui-nightly/transmute-mut-illegal-lifetime.rs
new file mode 100644
index 0000000000..c31765e4b9
--- /dev/null
+++ b/third_party/rust/zerocopy/tests/ui-nightly/transmute-mut-illegal-lifetime.rs
@@ -0,0 +1,15 @@
+// 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.
+
+fn main() {}
+
+fn increase_lifetime() {
+    let mut x = 0u64;
+    // It is illegal to increase the lifetime scope.
+    let _: &'static mut u64 = zerocopy::transmute_mut!(&mut x);
+}