[libcxx-commits] [libcxx] Revert "[libc++] Introduce ABI sensitive areas to avoid requiring _LIBCPP_HIDE_FROM_ABI everywhere (#131156)" (PR #141756)

[Aaron Ballman via libcxx-commits]

https://github.com/AaronBallman approved this pull request.

LGTM if CI is happy, thank you!

https://github.com/llvm/llvm-project/pull/141756