https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78267
--- Comment #35 from Jack Howarth <howarth.at.gcc at gmail dot com> --- Created attachment 40043 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40043&action=edit stock /usr/include/os/trace.h from OS X 10.11.6
