mdd_any_dup_nodes
mdd_any_dup_nodes(md1, match_fieldsp, md1count, md1nodesp)) {
mdd_any_dup_nodes(md2, match_fieldsp, md2count, md2nodesp)) {
static boolean_t mdd_any_dup_nodes(md_impl_t *mdp, md_prop_match_t *pmp,