https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104065
--- Comment #6 from Gaius Mulley <gaius at gcc dot gnu.org> --- ok I've fixed the problem above and the bootstrap tool builds cleanly with a C++ compiler. I'm continuing the build before git pushing changes. I've changed most if not all $(CC) to $(CXX) inside the Make-lang.in for consistency.
