http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55146
--- Comment #6 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2013-03-10 00:23:38 UTC --- (In reply to comment #5) I think that your observation is correct. It looks the offset_unsigned field is handled wrongly somewhere on 4.7 and earlier. I can't find suspicious part, though.
