[libcxx-commits] [libcxx] [libc++] Avoid key_eq calls in hash_table rehash (PR #216551)

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xbcnn wrote:

Hi @philnik777, gentle ping on this.

Just to follow up on the benchmark results you ran earlier, the patch delivers a solid ~17–20% speedup on macOS while remaining neutral on Linux.
Could you please take another look when you have a moment?

https://github.com/llvm/llvm-project/pull/216551