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8b26609481
Update hashbrown to 0.8.1 This update includes: - https://github.com/rust-lang/hashbrown/pull/146, which improves the performance of `Clone` and implements `clone_from`. - https://github.com/rust-lang/hashbrown/pull/159, which reduces the size of `HashMap` by 8 bytes. - https://github.com/rust-lang/hashbrown/pull/162, which avoids creating small 1-element tables. Fixes #28481