Fix GH-14637: memory leak after failed heap allocation due to mem limit.

Author: devnexen

ext/xml/compat.c

@@ -78,11 +78,14 @@ _start_element_handler(void *user, const xmlChar *name, const xmlChar **attribut
 		return;
 	}
 
-	qualified_name = xmlStrdup(name);
+	//qualified_name = xmlStrdup(name);
 
-	parser->h_start_element(parser->user, (const XML_Char *) qualified_name, (const XML_Char **) attributes);
+	//parser->h_start_element(parser->user, (const XML_Char *) qualified_name, (const XML_Char **) attributes);
+	// in case of mem limit, the interpreter bails out and exit but maybe here, unlike above which needs to copy XML attributes,
+	// we do not need to copy the data but just using it directly?
+	parser->h_start_element(parser->user, name, (const XML_Char **) attributes);
 
-	xmlFree(qualified_name);
+	//xmlFree(qualified_name);
 }
 
 static void