From 029d94b27995e5dfa037d331be36b8b5f55cf52d Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Tue, 6 Sep 2011 14:07:19 +0400
Subject: [PATCH] exception

---
 .../codeInsight/daemon/impl/UpdateHighlightersUtil.java       | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/daemon/impl/UpdateHighlightersUtil.java b/platform/lang-impl/src/com/intellij/codeInsight/daemon/impl/UpdateHighlightersUtil.java
index 06cb28e0759e..43e76cda606e 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/daemon/impl/UpdateHighlightersUtil.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/daemon/impl/UpdateHighlightersUtil.java
@@ -135,7 +135,9 @@ public class UpdateHighlightersUtil {
     };
 
     void recycleHighlighter(RangeHighlighter highlighter) {
-      incinerator.putValue(ProperTextRange.create(highlighter), highlighter);
+      if (highlighter.isValid()) {
+        incinerator.putValue(ProperTextRange.create(highlighter), highlighter);
+      }
     }
 
     RangeHighlighter pickupHighlighterFromGarbageBin(int startOffset, int endOffset, int layer){