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

[Vlad Serebrennikov via cfe-commits]

Endilll wrote:

Please do. This is going to be reverted by the next person fetching from public index page anyway, because we ask people to run the script every time they have changes for `cxx_dr_status.html`. In any case, WG21 wikis are of restricted access, and we shouldn't make their content public like this.

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