regent: Fix up multi-region access.
regent: Fix up multi-region access.

sdalton1/legion,chuckatkins/legion,sdalton1/legion,StanfordLegion/legion,StanfordLegion/legion,noahdesu/legion,sdalton1/legion,noahdesu/legion,chuckatkins/legion,StanfordLegion/legion,sdalton1/legion,noahdesu/legion,noahdesu/legion,chuckatkins/legion,chuckatkins/legion,StanfordLegion/legion,sdalton1/legion,chuckatkins/legion,sdalton1/legion,noahdesu/legion,StanfordLegion/legion,StanfordLegion/legion,chuckatkins/legion,StanfordLegion/legion,StanfordLegion/legion,chuckatkins/legion