Compare New: https://github.com/mongodb/mongo/blob/master/src/mongo/db/auth/role_graph_builtin_roles.cpp#L151-L158

Old: https://github.com/mongodb/mongo/blob/463d3343d559590d60cfd5c48ac98ad675d5390e/src/mongo/db/auth/role_graph_builtin_roles.cpp#L225-L237

Based on all of the problems it has with << maybe it should just completely avoid breaking or joining lines containing <<.