https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119144
--- Comment #8 from Giuseppe D'Angelo <dangelog at gmail dot com> --- Please assign this to me, I'll post a patch shortly. > Oh and the test uses std::string fails with -D_GLIBCXX_USE_CXX11_ABI=0 > because the COW std::string isn't usable in constexpr. Sorry for not noticing > these earlier. I'll get rid of the string, I guess. It was to test some other datatype (not just arithmetic or scalars) in tuple_cat.
