WG21 can, and has in the past[0], broken platforms' ABIs. It tends to be painful enough that platform vendors (who are represented on the committees) aren't int

WG21 can, and has in the past[0], broken platforms' ABIs. It tends to be painful enough that platform vendors (who are represented on the committees) aren't interested in doing it again. [0]https://gcc.gnu.org/onlinedocs/libstdc++/manual/using_dual_abi.html https://gcc.gnu.org/onlinedocs/libstdc++/manual/using_dual_a...