https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101188
--- Comment #17 from Georg-Johann Lay <gjl at gcc dot gnu.org> --- Created attachment 55318 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55318&action=edit Reduced patch for v8 (handles only CLOBBERs, hence should be good enough for AVR).