legion: do not recycle distributed ids for collectables not registered with the runtime
legion: do not recycle distributed ids for collectables not registered with the runtime

StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion