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

[Corentin Jabot via llvm-commits]

cor3ntin wrote:

@codemzs Sometimes around January. But it would be best not to wait until the last moment - especially if someone (or you!) is interested in working on the library bits of that paper

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