10.09.2021 12:27, eugene пишет:
//import std.container.dlist; // dmd (v2.097.2) import std.container: DList; // gdc (4.9.2)
It is off-topic a bit but I think none can compare gdc 4.9.2 to dmd 2.097.2 because gdc has older version than dmd. I would compare gdc to appropriate dmd version, it's about 2.078. But note that gdc backported some code from more recent dmd-fe versions so it has 2.078-dirty version in fact.