https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78267
--- Comment #17 from Rainer Orth <ro at gcc dot gnu.org> --- Created attachment 40013 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40013&action=edit proposed fixincludes-based patch The attached patch passes fixincludes make check. I'll have to wait until tonight to test it for real on macOS 10.12, though. Rainer