http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57506
--- Comment #1 from Georg-Johann Lay <gjl at gcc dot gnu.org> --- Created attachment 30258 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30258&action=edit Patch against avr-mcus.def Notice that some sources depend on the patch, e.g. documentation. Rerun "make avr-mcus" after applying this patch.