Upgrade zerocopy to 0.7.5 am: a6c4e29bef

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/zerocopy/+/2769100

Change-Id: I344695af5c489cb0d24409be75cee72cb6116223
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

4 files changed, 158 insertions, 0 deletions

diff --git a/tests/ui-nightly/invalid-impls/invalid-impls.rs b/tests/ui-nightly/invalid-impls/invalid-impls.rs
new file mode 100644
index 0000000..b9a60bd
--- /dev/null
+++ b/tests/ui-nightly/invalid-impls/invalid-impls.rs
@@ -0,0 +1,25 @@
+// Copyright 2022 The Fuchsia Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Since some macros from `macros.rs` are unused.
+#![allow(unused)]
+
+extern crate zerocopy;
+extern crate zerocopy_derive;
+
+include!("../../../src/macros.rs");
+
+use zerocopy::*;
+use zerocopy_derive::*;
+
+fn main() {}
+
+#[derive(FromZeroes, FromBytes, AsBytes, Unaligned)]
+#[repr(transparent)]
+struct Foo<T>(T);
+
+impl_or_verify!(T => FromZeroes for Foo<T>);
+impl_or_verify!(T => FromBytes for Foo<T>);
+impl_or_verify!(T => AsBytes for Foo<T>);
+impl_or_verify!(T => Unaligned for Foo<T>);
diff --git a/tests/ui-nightly/invalid-impls/invalid-impls.stderr b/tests/ui-nightly/invalid-impls/invalid-impls.stderr
new file mode 100644
index 0000000..7d839ac
--- /dev/null
+++ b/tests/ui-nightly/invalid-impls/invalid-impls.stderr
@@ -0,0 +1,107 @@
+error[E0277]: the trait bound `T: zerocopy::FromZeroes` is not satisfied
+  --> tests/ui-nightly/invalid-impls/invalid-impls.rs:22:37
+   |
+22 | impl_or_verify!(T => FromZeroes for Foo<T>);
+   |                                     ^^^^^^ the trait `zerocopy::FromZeroes` is not implemented for `T`
+   |
+note: required for `Foo<T>` to implement `zerocopy::FromZeroes`
+  --> tests/ui-nightly/invalid-impls/invalid-impls.rs:18:10
+   |
+18 | #[derive(FromZeroes, FromBytes, AsBytes, Unaligned)]
+   |          ^^^^^^^^^^ unsatisfied trait bound introduced in this `derive` macro
+note: required by a bound in `_::Subtrait`
+  --> tests/ui-nightly/invalid-impls/../../../src/macros.rs
+   |
+   |             trait Subtrait: $trait {}
+   |                             ^^^^^^ required by this bound in `Subtrait`
+   |
+  ::: tests/ui-nightly/invalid-impls/invalid-impls.rs:22:1
+   |
+22 | impl_or_verify!(T => FromZeroes for Foo<T>);
+   | ------------------------------------------- in this macro invocation
+   = note: this error originates in the derive macro `FromZeroes` which comes from the expansion of the macro `impl_or_verify` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: consider restricting type parameter `T`
+    |
+22  | impl_or_verify!(T: zerocopy::FromZeroes => FromZeroes for Foo<T>);
+    |                  ++++++++++++++++++++++
+
+error[E0277]: the trait bound `T: zerocopy::FromBytes` is not satisfied
+  --> tests/ui-nightly/invalid-impls/invalid-impls.rs:23:36
+   |
+23 | impl_or_verify!(T => FromBytes for Foo<T>);
+   |                                    ^^^^^^ the trait `zerocopy::FromBytes` is not implemented for `T`
+   |
+note: required for `Foo<T>` to implement `zerocopy::FromBytes`
+  --> tests/ui-nightly/invalid-impls/invalid-impls.rs:18:22
+   |
+18 | #[derive(FromZeroes, FromBytes, AsBytes, Unaligned)]
+   |                      ^^^^^^^^^ unsatisfied trait bound introduced in this `derive` macro
+note: required by a bound in `_::Subtrait`
+  --> tests/ui-nightly/invalid-impls/../../../src/macros.rs
+   |
+   |             trait Subtrait: $trait {}
+   |                             ^^^^^^ required by this bound in `Subtrait`
+   |
+  ::: tests/ui-nightly/invalid-impls/invalid-impls.rs:23:1
+   |
+23 | impl_or_verify!(T => FromBytes for Foo<T>);
+   | ------------------------------------------ in this macro invocation
+   = note: this error originates in the derive macro `FromBytes` which comes from the expansion of the macro `impl_or_verify` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: consider restricting type parameter `T`
+    |
+23  | impl_or_verify!(T: zerocopy::FromBytes => FromBytes for Foo<T>);
+    |                  +++++++++++++++++++++
+
+error[E0277]: the trait bound `T: zerocopy::AsBytes` is not satisfied
+  --> tests/ui-nightly/invalid-impls/invalid-impls.rs:24:34
+   |
+24 | impl_or_verify!(T => AsBytes for Foo<T>);
+   |                                  ^^^^^^ the trait `zerocopy::AsBytes` is not implemented for `T`
+   |
+note: required for `Foo<T>` to implement `zerocopy::AsBytes`
+  --> tests/ui-nightly/invalid-impls/invalid-impls.rs:18:33
+   |
+18 | #[derive(FromZeroes, FromBytes, AsBytes, Unaligned)]
+   |                                 ^^^^^^^ unsatisfied trait bound introduced in this `derive` macro
+note: required by a bound in `_::Subtrait`
+  --> tests/ui-nightly/invalid-impls/../../../src/macros.rs
+   |
+   |             trait Subtrait: $trait {}
+   |                             ^^^^^^ required by this bound in `Subtrait`
+   |
+  ::: tests/ui-nightly/invalid-impls/invalid-impls.rs:24:1
+   |
+24 | impl_or_verify!(T => AsBytes for Foo<T>);
+   | ---------------------------------------- in this macro invocation
+   = note: this error originates in the derive macro `AsBytes` which comes from the expansion of the macro `impl_or_verify` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: consider restricting type parameter `T`
+    |
+24  | impl_or_verify!(T: zerocopy::AsBytes => AsBytes for Foo<T>);
+    |                  +++++++++++++++++++
+
+error[E0277]: the trait bound `T: zerocopy::Unaligned` is not satisfied
+  --> tests/ui-nightly/invalid-impls/invalid-impls.rs:25:36
+   |
+25 | impl_or_verify!(T => Unaligned for Foo<T>);
+   |                                    ^^^^^^ the trait `zerocopy::Unaligned` is not implemented for `T`
+   |
+note: required for `Foo<T>` to implement `zerocopy::Unaligned`
+  --> tests/ui-nightly/invalid-impls/invalid-impls.rs:18:42
+   |
+18 | #[derive(FromZeroes, FromBytes, AsBytes, Unaligned)]
+   |                                          ^^^^^^^^^ unsatisfied trait bound introduced in this `derive` macro
+note: required by a bound in `_::Subtrait`
+  --> tests/ui-nightly/invalid-impls/../../../src/macros.rs
+   |
+   |             trait Subtrait: $trait {}
+   |                             ^^^^^^ required by this bound in `Subtrait`
+   |
+  ::: tests/ui-nightly/invalid-impls/invalid-impls.rs:25:1
+   |
+25 | impl_or_verify!(T => Unaligned for Foo<T>);
+   | ------------------------------------------ in this macro invocation
+   = note: this error originates in the derive macro `Unaligned` which comes from the expansion of the macro `impl_or_verify` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: consider restricting type parameter `T`
+    |
+25  | impl_or_verify!(T: zerocopy::Unaligned => Unaligned for Foo<T>);
+    |                  +++++++++++++++++++++
diff --git a/tests/ui-nightly/transmute-illegal.rs b/tests/ui-nightly/transmute-illegal.rs
new file mode 100644
index 0000000..74b8439
--- /dev/null
+++ b/tests/ui-nightly/transmute-illegal.rs
@@ -0,0 +1,10 @@
+// Copyright 2022 The Fuchsia Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+extern crate zerocopy;
+
+fn main() {}
+
+// It is unsound to inspect the usize value of a pointer during const eval.
+const POINTER_VALUE: usize = zerocopy::transmute!(&0usize as *const usize);
diff --git a/tests/ui-nightly/transmute-illegal.stderr b/tests/ui-nightly/transmute-illegal.stderr
new file mode 100644
index 0000000..a57544b
--- /dev/null
+++ b/tests/ui-nightly/transmute-illegal.stderr
@@ -0,0 +1,16 @@
+error[E0277]: the trait bound `*const usize: AsBytes` is not satisfied
+  --> tests/ui-nightly/transmute-illegal.rs:10:30
+   |
+10 | const POINTER_VALUE: usize = zerocopy::transmute!(&0usize as *const usize);
+   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |                              |
+   |                              the trait `AsBytes` is not implemented for `*const usize`
+   |                              required by a bound introduced by this call
+   |
+   = help: the trait `AsBytes` is implemented for `usize`
+note: required by a bound in `POINTER_VALUE::transmute`
+  --> tests/ui-nightly/transmute-illegal.rs:10:30
+   |
+10 | const POINTER_VALUE: usize = zerocopy::transmute!(&0usize as *const usize);
+   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `transmute`
+   = note: this error originates in the macro `zerocopy::transmute` (in Nightly builds, run with -Z macro-backtrace for more info)