Vendor dependencies for 0.3.0 release

vendor/zerocopy-derive/tests/ui-msrv/union_into_bytes_cfg/union_into_bytes_cfg.rs

@@ -0,0 +1,26 @@
+// 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.
+
+//! See: https://github.com/google/zerocopy/issues/553
+//! zerocopy must still allow derives of deprecated types.
+//! This test has a hand-written impl of a deprecated type, and should result in a compilation
+//! error. If zerocopy does not tack an allow(deprecated) annotation onto its impls, then this
+//! test will fail because more than one compile error will be generated.
+#![deny(deprecated)]
+
+extern crate zerocopy;
+
+use zerocopy::IntoBytes;
+
+#[derive(IntoBytes)]
+#[repr(C)]
+union Foo {
+    a: u8,
+}
+
+fn main() {}

vendor/zerocopy-derive/tests/ui-msrv/union_into_bytes_cfg/union_into_bytes_cfg.stderr

@@ -0,0 +1,8 @@
+error: requires --cfg zerocopy_derive_union_into_bytes;
+please let us know you use this feature: https://github.com/google/zerocopy/discussions/1802
+  --> tests/ui-msrv/union_into_bytes_cfg/union_into_bytes_cfg.rs:20:10
+   |
+20 | #[derive(IntoBytes)]
+   |          ^^^^^^^^^
+   |
+   = note: this error originates in the derive macro `IntoBytes` (in Nightly builds, run with -Z macro-backtrace for more info)