http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59496
--- Comment #3 from Iain Sandoe <iains at gcc dot gnu.org> --- (In reply to Richard Biener from comment #2) > darwin should simply add a dummy use of field, like via ((field), (...)) well, I thought of doing that, but it seems a kludge - is the target obliged to use the macro values?