[libcxx-commits] [libcxx] [libc++] Optimize {std, ranges}::for_each for iterating over __trees (PR #164405)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne approved this pull request.

LGTM but let's please fix the consistency issue in benchmarks and add a release note!

https://github.com/llvm/llvm-project/pull/164405