Ticket #15944: dont-assume-queried-object-is-term.15944.diff

wp-includes/nav-menu-template.php

@@ -426 +426 @@
                                         'taxonomy' == $parent_item->type &&
                                         isset( $possible_taxonomy_ancestors[ $parent_item->object ] ) &&
                                         in_array( $parent_item->object_id, $possible_taxonomy_ancestors[ $parent_item->object ] ) &&
-                                        $parent_item->object_id != $queried_object->term_id
+                                        (       
+                                                ! isset( $queried_object->term_id ) ||
+                                                $parent_item->object_id != $queried_object->term_id
+                                        )
                                 )
                         )
                 ) {