https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103904
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> --- Btw, from a RM perspective I'm happy to go with judgement from the libstdc++ folks in whatever direction they want. (not sure if it makes sense or is possible to throw in a non-default -D_LIBSTDCXX_FORCE_OLD_VIEW or so)