From e1d12af2fd433cbe70e3dbb83e1424bc69be7ff0 Mon Sep 17 00:00:00 2001
From: Nikolay Krasko <Nikolay.Krasko@jetbrains.com>
Date: Wed, 10 Feb 2016 15:03:03 +0300
Subject: [PATCH] Check element is valid if canRefactor()

---
 .../org/jetbrains/kotlin/idea/refactoring/jetRefactoringUtil.kt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/idea/src/org/jetbrains/kotlin/idea/refactoring/jetRefactoringUtil.kt b/idea/src/org/jetbrains/kotlin/idea/refactoring/jetRefactoringUtil.kt
index 1207e757624..e67b9970041 100644
--- a/idea/src/org/jetbrains/kotlin/idea/refactoring/jetRefactoringUtil.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/refactoring/jetRefactoringUtil.kt
@@ -417,6 +417,8 @@ fun <T> chooseContainerElementIfNecessary(
 fun PsiElement.isTrueJavaMethod(): Boolean = this is PsiMethod && this !is KtLightMethod
 
 fun PsiElement.canRefactor(): Boolean {
+    if (!this.isValid) return false
+
     return when {
         this is PsiPackage ->
             directories.any { it.canRefactor() }