[PATCH] D42987: [libc++abi] fix compilation in C++17 mode

[Eric Fiselier via Phabricator via cfe-commits]

EricWF accepted this revision.
EricWF added a comment.
This revision is now accepted and ready to land.

I agree with Marshall. This should define `_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS` instead of `_LIBCPP_BUILDING_LIBRARY`. Other than that, this LGTM.


Repository:
  rCXXA libc++abi

https://reviews.llvm.org/D42987