[libcxx-commits] [libcxx] [libc++] Optimize ranges::{for_each, for_each_n} for segmented iterators (PR #132896)

[Louis Dionne via libcxx-commits]

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

LGTM once comments are addressed. Thanks a lot for this series of refactorings / optimizations!

https://github.com/llvm/llvm-project/pull/132896