https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60512
--- Comment #15 from Iain Sandoe <iains at gcc dot gnu.org> --- (In reply to Alex Coplan from comment #14) > I'm working on this. I will rebase my WIP and push it somewhere - [ it has __has_feature and __has_extension components .. but likely bit rotten with changes to libcpp ] (sorry for being slow to do this - releases tie up all my Darwin time.
