[libcxx-commits] [libcxx] [libc++] Inline `text_encoding` alias offset table std::count to 884 (PR #207471)

[William Tran-Viet via libcxx-commits]

smallp-o-p wrote:

> This basically LGTM, but I'd like the file moving to be separated. That has nothing to do with the actual patch AFAICT.

The test I added needs access to `test_text_encoding.h` which was local to `std/text/text_encoding`. 

https://github.com/llvm/llvm-project/pull/207471