https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118320
--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #5) > Note the clobber there is needed to get the crash. Note the only way to get the clobber is via a constructor or a deconstructor which is what both reduced testcases include.