[clang] [Clang][C++23] Core language changes from P1467R9 extended floating-point types and standard names. (PR #78503)

[M. Zeeshan Siddiqui via cfe-commits]

codemzs wrote:

> What's the status of this PR?  Seems like it would be helpful for some of the C23 additions (`_Float128` being of most interest to me)

Thank you for checking in on this PR! It has gone through several iterations based on valuable feedback from the community (carried over from Phabricator). I’m currently addressing the latest round of feedback and plan to update the PR within this week.

https://github.com/llvm/llvm-project/pull/78503