[clang] [Clang][Sema] Implement approved resolution for CWG2858 (PR #88042)

[Erich Keane via cfe-commits]

erichkeane wrote:

> Could also get them from the CWG GitHub pages repository (https://github.com/cplusplus/CWG/tree/gh-pages/issues)... anyways, am I good to merge this?

I believe we would still like you to re-generate with : www/make_cxx_dr_status



https://github.com/llvm/llvm-project/pull/88042