https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119089
--- Comment #11 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to John David Anglin from comment #9) > In addition to regenerating the gcc fixincludes, I believe gcc needs > rebuilding as the initializer is used in gthr.h. I *think* it's an ABI-compatible change. At least it had better be! So existing code shouldn't need to be recompiled.