From eb6d2e8f3ca4cefcd443751bbed2aa507ef28a4d Mon Sep 17 00:00:00 2001
From: andrey zaytsev <andrey.zaytsev@jetbrains.com>
Date: Thu, 22 Mar 2018 21:27:05 +0300
Subject: [PATCH] popups: fix NPE

---
 .../src/com/intellij/refactoring/IntroduceTargetChooser.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/lang-impl/src/com/intellij/refactoring/IntroduceTargetChooser.java b/platform/lang-impl/src/com/intellij/refactoring/IntroduceTargetChooser.java
index ee70b72b7276..5db2ebe94fcd 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/IntroduceTargetChooser.java
+++ b/platform/lang-impl/src/com/intellij/refactoring/IntroduceTargetChooser.java
@@ -96,7 +96,7 @@ public class IntroduceTargetChooser {
 
     JBPopup popup = JBPopupFactory.getInstance().createPopupChooserBuilder(expressions)
       .setSelectionMode(ListSelectionModel.SINGLE_SELECTION)
-      .setSelectedValue(expressions.get(selection > -1 ? selection : null), true)
+      .setSelectedValue(expressions.get(selection > -1 ? selection : 0), true)
       .setAccessibleName(title)
       .setTitle(title)
       .setMovable(false)