Starting in Rust 1.80, rustc checks that all cfg values are expected and warns if they are not. This is intended to protect against typos and other mistakes. Change-Id: I2d6f76536b8c585796e71ef7f65550ef8d312247 Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/69867 Reviewed-by: Adam Langley <agl@google.com> Commit-Queue: David Benjamin <davidben@google.com> Reviewed-by: David Benjamin <davidben@google.com>