http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47997
--- Comment #20 from Iain Sandoe <iains at gcc dot gnu.org> 2011-07-21 07:54:51 UTC --- hm .. I think this might be a new (objc). bug, rather than a back-end problem; since it doesn't show with normal c-strings (even when compiled -x objective-c). Will try to take a look.