[libcxx-commits] [libcxx] [libcxx] Add a missing include for __bit_iterator (PR #127015)

[Takuto Ikuta via libcxx-commits]

atetubou wrote:

@ldionne Yes, we use `-fmodules-local-submodule-visibility` in https://source.chromium.org/chromium/chromium/src/+/main:build/config/compiler/BUILD.gn;l=1705;drc=fdcf479f2f6f85ca3f8f8f3d43fde27fb345fa5a, and saw this error.

https://github.com/llvm/llvm-project/pull/127015