changes from feedback

Author: devnexen

ext/dom/php_dom.c

@@ -584,7 +584,7 @@ static zend_object *dom_objects_store_clone_obj(zend_object *zobject) /* {{{ */
 
 	if (instanceof_function(intern->std.ce, dom_node_class_entry) || instanceof_function(intern->std.ce, dom_modern_node_class_entry)) {
 		xmlNodePtr node = (xmlNodePtr)dom_object_get_node(intern);
-		if (node != NULL && node->doc) {
+		if (node != NULL) {
 			php_dom_libxml_ns_mapper *ns_mapper = NULL;
 			if (php_dom_follow_spec_intern(intern)) {
 				if (node->type == XML_DOCUMENT_NODE || node->type == XML_HTML_DOCUMENT_NODE) {
@@ -598,7 +598,9 @@ static zend_object *dom_objects_store_clone_obj(zend_object *zobject) /* {{{ */
 			if (cloned_node != NULL) {
 				dom_update_refcount_after_clone(intern, node, clone, cloned_node);
 			}
-			clone->document->private_data = php_dom_libxml_ns_mapper_header(ns_mapper);
+			if (ns_mapper != NULL) {
+				clone->document->private_data = php_dom_libxml_ns_mapper_header(ns_mapper);
+			}
 		}
 	}
 

ext/dom/tests/gh14652.phpt

@@ -16,5 +16,6 @@ private function __clone() {
 }
 $clone = clone $script1_dataflow;
 echo "OK";
+?>
 --EXPECT--
 OK