http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47397
--- Comment #8 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-01-21 15:37:33 UTC --- And before you start fiddling with set_mem_attributes_minus_bitpos, most alignment related pieces in it should simply re-use get_object_alignment (a cleanup I didn't finish in time for 4.6).