[libcxx-commits] [libcxx] [libc++] Add implementations of `__get_locale_encoding(...)` to Fuschia and LLVM-Libc (PR #205716)

[A. Jiang via libcxx-commits]

frederick-vs-ja wrote:

> (and doesn't seem to plan on doing so judging by their [implementation status page](https://libc.llvm.org/headers/index.html))

@smallp-o-p I removed this from the PR description because I think this will be outdated once the plan changes.

I'm trying to merge this PR before CI becoming green as I'm sure that this won't affect macOS and FreeBSD builds.

https://github.com/llvm/llvm-project/pull/205716