From d2b489b4ef5908f4326996c160b7ee2d91f3fc6f Mon Sep 17 00:00:00 2001
From: Ingo Schommer <ingo@silverstripe.com>
Date: Mon, 1 Nov 2010 01:28:54 +0000
Subject: [PATCH] BUGFIX Clear static marking caches on Hierarchy->flushCache()

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.4@113277 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 core/model/Hierarchy.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/model/Hierarchy.php b/core/model/Hierarchy.php
index 86ece4494..6059cc32f 100755
--- a/core/model/Hierarchy.php
+++ b/core/model/Hierarchy.php
@@ -670,6 +670,9 @@ class Hierarchy extends DataObjectDecorator {
 	function flushCache() {
 		$this->_cache_children = null;
 		$this->_cache_numChildren = null;
+		self::$marked = array();
+		self::$expanded = array();
+		self::$treeOpened = array();
 	}
 }