Separated out of CL:1513058 to make it possible to land parts
individually while the affected crate has no other significant CLs
pending. This avoids repeatedly introducing non-textual conflicts with
new code that adds `use` statements.
TEST=cargo check
TEST=cargo check --all-features
TEST=cargo check --target aarch64-unknown-linux-gnu
Change-Id: Ie62d28d63257e59e6bee68b5c42a1f4cf7b47bed
Reviewed-on: https://chromium-review.googlesource.com/1519690
Commit-Ready: David Tolnay <dtolnay@chromium.org>
Tested-by: David Tolnay <dtolnay@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: David Tolnay <dtolnay@chromium.org>
Support macro derive(BitField) to make life easier.
BUG=None.
TEST=local build and run test.
Change-Id: I582620de250017fb7c0b601f9ad4fbcbbc2fe02a
Reviewed-on: https://chromium-review.googlesource.com/1069331
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Jingkui Wang <jkwang@google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
