http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46467
--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-13 18:52:11 UTC --- Created attachment 22386 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22386 patch Bah, the IPA fn parameters all have size 1, so the overlap check in the struct copy case of course fails ...