From 01ee49fb8b81f4b491296703ecf315daf52a11d5 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Fri, 10 Feb 2012 15:07:33 +0100
Subject: [PATCH] usage targets may become invalid (EA-33613)

---
 .../com/intellij/usages/impl/UsageViewTreeCellRenderer.java  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/platform/usageView/src/com/intellij/usages/impl/UsageViewTreeCellRenderer.java b/platform/usageView/src/com/intellij/usages/impl/UsageViewTreeCellRenderer.java
index a4fbf29eccce..33e6e09a3dba 100644
--- a/platform/usageView/src/com/intellij/usages/impl/UsageViewTreeCellRenderer.java
+++ b/platform/usageView/src/com/intellij/usages/impl/UsageViewTreeCellRenderer.java
@@ -68,6 +68,11 @@ class UsageViewTreeCellRenderer extends ColoredTreeCellRenderer {
 
       if (userObject instanceof UsageTarget) {
         UsageTarget usageTarget = (UsageTarget)userObject;
+        if (!usageTarget.isValid()) {
+          append(UsageViewBundle.message("node.invalid"), ourInvalidAttributes);
+          return;
+        }
+
         final ItemPresentation presentation = usageTarget.getPresentation();
         LOG.assertTrue(presentation != null);
         if (showAsReadOnly) {