From f9d3804111d6147931b1a1d5625d2ea954a1bc0d Mon Sep 17 00:00:00 2001
From: Dmitry Jemerov <yole@jetbrains.com>
Date: Tue, 5 Jul 2016 19:01:59 +0200
Subject: [PATCH] check element validity in KotlinSelectInProjectViewProvider
 (EA-84485 - PIEAE: OwnBufferLeafPsiElement.getContainingFile)

---
 .../jetbrains/kotlin/idea/projectView/projectViewProviders.kt    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/idea/src/org/jetbrains/kotlin/idea/projectView/projectViewProviders.kt b/idea/src/org/jetbrains/kotlin/idea/projectView/projectViewProviders.kt
index 492aed255b0..93b88dd728f 100644
--- a/idea/src/org/jetbrains/kotlin/idea/projectView/projectViewProviders.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/projectView/projectViewProviders.kt
@@ -91,6 +91,7 @@ class KotlinSelectInProjectViewProvider(private val project: Project) : Selectab
 
     // should be called before ClassesTreeStructureProvider
     override fun getTopLevelElement(element: PsiElement): PsiElement? {
+        if (!element.isValid) return null
         val file = element.containingFile as? KtFile ?: return null
 
         val virtualFile = file.virtualFile