https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111632
--- Comment #12 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Dimitry Andric from comment #10) > Note there are other issues with poisoned identifiers, so I'll ask again: is > a non-bootstrapped build even supposed to work, and officially supported, or > not? Yes. > Or more qualified, is a non-bootstrapped build only officially supported > when building on a host with gcc and libstdc++? No. But just because something is officially supported doesn't mean it's a high priority for everybody involved. Some things just take longer to resolve.