https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92695
--- Comment #17 from Jakub Jelinek <jakub at gcc dot gnu.org> --- (In reply to Toni Neubert from comment #15) > I really cannot help you with this. I am sorry. I don't understand the > compilers source code/internals at all. I just can thank you guys for your > ongoing work. I really appreciate it. The question wasn't meant at you, but at the C++ maintainers. From my POV, all but #c12 should be fixed now (plus Jason mentioned some issue with multiple inheritance and constexpr virtual method call evaluation).