https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61407
--- Comment #15 from James Clarke <jrtc27 at jrtc27 dot com> --- (In reply to James Clarke from comment #14) > The issue with Availability.h has been fixed as of Developer Preview 4, > however `all-stage1-target-libsanitizer` still fails with Error 2. I should note that I am building 4.8.3 with Homebrew.
