https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121114
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- One terribly ugly and not very clang++ friendly solution would be to treat some of these __throw_* calls as magic constexpr builtins like we already treat __cxa_bad_cast() etc. But if we can do it some other way, it would be better.