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

[Takuto Ikuta via libcxx-commits]

atetubou wrote:

I updated `libcxx/test/libcxx/transitive_includes` for some C++ versions.

>From my understanding, formatter headers are only used from C++23's code for `vector<bool>` and we don't need to include then in earlier version.

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