Upper bound exceptions (#3315)
Upper bound exceptions (#3315)

peti/stackage,michalkonecny/stackage,Shimuuar/stackage,phaazon/stackage,wereHamster/stackage,mrkkrp/stackage,creichert/stackage,spencerjanssen/stackage,mgajda/stackage,simonmichael/stackage,stackbuilders/stackage,asr/stackage,fimad/stackage,jonschoning/stackage,int-index/stackage,soenkehahn/stackage,Daniel-Diaz/stackage,iand675/stackage,mstksg/stackage,clinty/stackage,lwm/stackage,athanclark/stackage,garetxe/stackage,fpco/stackage,ethercrow/stackage,massysett/stackage