[clang] [libcxx] [libc++] Implement LWG3528 (`make_from_tuple` can perform (the equivalent of) a C-style cast) (PR #85263)

[Mark de Wever via cfe-commits]

https://github.com/mordante commented:

Thanks a lot! I have one minor comment after that I'm happy. I'd like to have a quick look at your fix.

https://github.com/llvm/llvm-project/pull/85263