https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69305
--- Comment #8 from ktkachov at gcc dot gnu.org --- (In reply to Jakub Jelinek from comment #7) > The patterns are just weird. All that comes from the addti3 expander in aarch64.md If I delete it the testcase doesn't abort. I'll have a closer look there.