reenable rank2classes (#5095)
reenable rank2classes (#5095)

jonschoning/stackage,Daniel-Diaz/stackage,mrkkrp/stackage,massysett/stackage,simonmichael/stackage,michalkonecny/stackage,stackbuilders/stackage,iand675/stackage,clinty/stackage,soenkehahn/stackage,fpco/stackage,asr/stackage,athanclark/stackage