https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103726
--- Comment #10 from cqwrteur <unlvsur at live dot com> --- (In reply to Jonathan Wakely from comment #9) > Ah it was left out of libstdc++'s freestanding builds intentionally: > > > When the final <coroutines> header is added it will need to be in > > libsupc++ so that it's included for freestanding builds (and at that > > point it won't be able to use <bits/stl_function.h>, but that will be > > OK as the final header will be C++20-only and can rely on <compare> > > unconditionally, which is also freestanding). > > The current experimental implementation supports C++14 and C++17, but to do > that it needs to include some non-freestanding stuff. then we need to report to wg21 as defects. Removing exception, typeinfo and coroutines from freestanding for example.
