https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66738
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- -fno-devirtualize fixes it.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66738
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- -fno-devirtualize fixes it.