https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103340
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #2) > Making the others work isn't difficult. HA! Making them usable in constexpr wasn't difficult, but analysing the test results and realising that they're completely broken was much harder, see PR 103400. And --enable-libstdcxx-allocator=bitmap had been unable to bootstrap for years, see PR 103381.
