From 61651cb8f3568cb78d7532cfe3fd886b86ab77e5 Mon Sep 17 00:00:00 2001
From: "Anna.Kozlova" <anna.kozlova@jetbrains.com>
Date: Wed, 4 May 2016 13:55:34 +0200
Subject: [PATCH] usage view: exclude invalid files from read-only check

---
 .../usageView/src/com/intellij/usages/impl/UsageViewImpl.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/usageView/src/com/intellij/usages/impl/UsageViewImpl.java b/platform/usageView/src/com/intellij/usages/impl/UsageViewImpl.java
index 0bc898a367e0..4c14009aff0f 100644
--- a/platform/usageView/src/com/intellij/usages/impl/UsageViewImpl.java
+++ b/platform/usageView/src/com/intellij/usages/impl/UsageViewImpl.java
@@ -1360,7 +1360,7 @@ public class UsageViewImpl implements UsageView, UsageModelTracker.UsageModelTra
       if (usage instanceof UsageInFile) {
         UsageInFile usageInFile = (UsageInFile)usage;
         VirtualFile file = usageInFile.getFile();
-        if (file != null) result.add(file);
+        if (file != null && file.isValid()) result.add(file);
       }
 
       if (usage instanceof UsageInFiles) {