[libcxx] [libunwind] [DRAFT][libc++] Switch FreeBSD to C++26 (PR #86658)

[Nikolas Klauser via cfe-commits]

philnik777 wrote:

Yes, it would be the only buildkite one (AFAIK). I don't think that would make much of a difference though.


https://github.com/llvm/llvm-project/pull/86658