From 9a99e12c00cc132a19fb490f7ebe6335d22672aa Mon Sep 17 00:00:00 2001
From: Kirill Kalishev <kirill.kalishev@jetbrains.com>
Date: Thu, 28 Jan 2010 17:14:46 +0300
Subject: [PATCH] TreeUi: attempt to fix 17446 : CME on
 UpdaterTreeState.addAll()

---
 .../platform-api/src/com/intellij/ide/util/treeView/AbstractTreeUi.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/platform/platform-api/src/com/intellij/ide/util/treeView/AbstractTreeUi.java b/platform/platform-api/src/com/intellij/ide/util/treeView/AbstractTreeUi.java
index 1d4573be24..6fdf984cb6 100644
--- a/platform/platform-api/src/com/intellij/ide/util/treeView/AbstractTreeUi.java
+++ b/platform/platform-api/src/com/intellij/ide/util/treeView/AbstractTreeUi.java
@@ -906,6 +906,8 @@ public class AbstractTreeUi {
 
   @NotNull
   UpdaterTreeState setUpdaterState(UpdaterTreeState state) {
+    if (myUpdaterState != null && myUpdaterState.equals(state)) return state;
+
     final UpdaterTreeState oldState = myUpdaterState;
     if (oldState == null) {
       myUpdaterState = state;
-- 
2.11.4.GIT