http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48245
--- Comment #19 from Iain Sandoe <iains at gcc dot gnu.org> 2011-03-24 12:40:52 UTC --- AFAICT, comment #12 is OK on *-darwin9 including cross-cris-elf. given that Mike has approved, if someone could chip in with a test on x86-64-darwin10, I would think you could apply it.