Fixed bug #36756 (DOMDocument::removeChild corrupts node)

add test

ext/dom/php_dom.c

@@ -289,6 +289,8 @@ zval *dom_read_property(zval *object, zval *member, int type TSRMLS_DC)
 
 	if (obj->prop_handler != NULL) {
 		ret = zend_hash_find(obj->prop_handler, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void **) &hnd);
+	} else if (instanceof_function(obj->std.ce, dom_node_class_entry TSRMLS_CC)) {
+		php_error(E_WARNING, "Couldn't fetch %s. Node no longer exists", obj->std.ce->name);
 	}
 	if (ret == SUCCESS) {
 		ret = hnd->read_func(obj, &retval TSRMLS_CC);

ext/dom/tests/bug36756.phpt

@@ -0,0 +1,35 @@
+--TEST--
+Bug #36756: (DOMDocument::removeChild corrupts node)
+--SKIPIF--
+<?php require_once('skipif.inc'); ?>
+--FILE--
+<?php
+
+/* Node is preserved from removeChild */
+$dom = new DOMDocument();
+$dom->loadXML('<root><child/></root>');
+$xpath = new DOMXpath($dom);
+$node = $xpath->query('/root')->item(0);
+echo $node->nodeName . "\n";
+$dom->removeChild($GLOBALS['dom']->firstChild);
+echo "nodeType: " . $node->nodeType . "\n";
+
+/* Node gets destroyed during removeChild */
+$dom->loadXML('<root><child/></root>');
+$xpath = new DOMXpath($dom);
+$node = $xpath->query('//child')->item(0);
+echo $node->nodeName . "\n";
+$GLOBALS['dom']->removeChild($GLOBALS['dom']->firstChild);
+
+echo "nodeType: " . $node->nodeType . "\n";
+
+?>
+--EXPECTF--
+root
+nodeType: 1
+child
+
+Warning: Couldn't fetch DOMElement. Node no longer exists in %sbug36756.php on line %d
+
+Notice: Undefined property:  DOMElement::$nodeType in %sbug36756.php on line %d
+nodeType: