[libcxx-commits] [libcxx] [libc++] Optimize std::{, ranges}::{fill, fill_n} for segmented iterators (PR #132665)

[Louis Dionne via libcxx-commits]

ldionne wrote:

Removing from the LLVM 21 release since this missed the branch point. I'll merge this when CI is done running and this will make LLVM 22 though.

https://github.com/llvm/llvm-project/pull/132665