PIEAE

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/navigation/NavigationUtil.java b/platform/lang-impl/src/com/intellij/codeInsight/navigation/NavigationUtil.java
index a7deb1f9bdb56f5cebece1aaae4e6a167ed0ba95..7efe023d1ab45f3789d6a2bfaa54df34597779c9 100644 (file)
--- a/platform/lang-impl/src/com/intellij/codeInsight/navigation/NavigationUtil.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/navigation/NavigationUtil.java
@@ -92,6 +92,8 @@ public final class NavigationUtil {
   }
 
   private static boolean activatePsiElementIfOpen(PsiElement elt) {
+    if (!elt.isValid()) return false;
+    
     final PsiFile file = elt.getContainingFile();
     if (file == null || !file.isValid()) return false;