https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81346
--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 41781 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41781&action=edit gcc8-pr81346-2.patch Further optimization from build_range_check.
