bindings: Fixes for empty cross-products.
bindings: Fixes for empty cross-products.

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