Merging upstream version 127.0.

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

1 files changed, 61 insertions, 0 deletions

diff --git a/third_party/rust/zerocopy-derive/tests/ui-stable/mid_compile_pass.rs b/third_party/rust/zerocopy-derive/tests/ui-stable/mid_compile_pass.rs
new file mode 100644
index 0000000000..e0c4bc578d
--- /dev/null
+++ b/third_party/rust/zerocopy-derive/tests/ui-stable/mid_compile_pass.rs
@@ -0,0 +1,61 @@
+// 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.
+
+extern crate zerocopy;
+
+use zerocopy::KnownLayout;
+
+fn main() {}
+
+// These tests cause errors which are generated by a later compilation pass than
+// the other errors we generate, and so if they're compiled in the same file,
+// the compiler will never get to that pass, and so we won't get the errors.
+
+//
+// KnownLayout errors
+//
+
+fn assert_kl<T: ?Sized + KnownLayout>(_: &T) {}
+
+// | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name |
+// |          N |        Y |              N |        N |      KL04 |
+#[derive(KnownLayout)]
+struct KL04<T: ?Sized>(u8, T);
+
+fn test_kl04<T: ?Sized>(kl: &KL04<T>) {
+    assert_kl(kl);
+}
+
+// | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name |
+// |          N |        Y |              Y |        N |      KL06 |
+#[derive(KnownLayout)]
+struct KL06<T: ?Sized + KnownLayout>(u8, T);
+
+fn test_kl06<T: ?Sized + KnownLayout>(kl: &KL06<T>) {
+    assert_kl(kl);
+}
+
+// | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name |
+// |          Y |        Y |              N |        N |      KL12 |
+#[derive(KnownLayout)]
+#[repr(C)]
+struct KL12<T: ?Sized>(u8, T);
+
+fn test_kl12<T: ?Sized>(kl: &KL12<T>) {
+    assert_kl(kl)
+}
+
+// | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name |
+// |          Y |        Y |              N |        Y |      KL13 |
+#[derive(KnownLayout)]
+#[repr(C)]
+struct KL13<T>(u8, T);
+
+fn test_kl13<T>(t: T) -> impl KnownLayout {
+    KL13(0u8, t)
+}