https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69710
--- Comment #14 from amker at gcc dot gnu.org --- (In reply to Doug Gilmore from comment #13) > I think this should be fairly straightforward to fix in the > autovectorization pass. Hopefully I should be able to post a patch > in the next few days. I had a patch too, will send it for review in GCC7 if it's still needed. Thanks.