[libcxx-commits] [libcxx] [libc++] Correct `optional<T&>` implementation (PR #174537)

[William Tran-Viet via libcxx-commits]

smallp-o-p wrote:

Also, in the case that this doesn't land by the time LLVM 22 branches, would this be eligible to be backported or is it better to just revert the `optional<T&>` commit(s) and re-implement it for LLVM 23?

https://github.com/llvm/llvm-project/pull/174537