https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86977
--- Comment #3 from João Neto <joao at neto dot pt> --- > > (2) How can I reliably find the node-type allocated by the map if I'd want > to use `-std=c++17`? Isn't it implementation-defined? > Please ignore my stupidity. c++17 has a `node_type` The other one I think is relevant though. (Sorry for the spam!)