[libcxx-commits] [libcxx] [libc++][vector] include formatter only in C++23 (PR #112675)

[A. Jiang via libcxx-commits]

https://github.com/frederick-vs-ja requested changes to this pull request.

Perhaps we should correspondingly remove related entries in cxx11.csv ~ cxx20.csv in `libcxx/test/libcxx/transitive_includes`.

https://github.com/llvm/llvm-project/pull/112675