Vendor dependencies for 0.3.0 release

vendor/zerocopy/tests/ui-stable/try_transmute_mut-src-not-frombytes.rs

@@ -0,0 +1,24 @@
+// Copyright 2024 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.
+
+extern crate zerocopy;
+
+use zerocopy::transmute_mut;
+
+#[derive(zerocopy::IntoBytes)]
+#[repr(C)]
+struct Src;
+
+#[derive(zerocopy::TryFromBytes)]
+#[repr(C)]
+struct Dst;
+
+fn main() {
+    // `try_transmute_mut` requires that the source type implements `FromBytes`
+    let src_not_from_bytes: &mut Dst = transmute_mut!(&mut Src);
+}