From 05b92079b205bc700bb099b7608f5b446eb8ab01 Mon Sep 17 00:00:00 2001
From: Alexander Kass <Alexander.Kass@jetbrains.com>
Date: Thu, 10 Nov 2016 12:55:46 +0300
Subject: [PATCH] DBE: EA-91019 - IAE: BalloonImpl.revalidate

---
 .../src/org/intellij/lang/regexp/intention/CheckRegExpForm.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/RegExpSupport/src/org/intellij/lang/regexp/intention/CheckRegExpForm.java b/RegExpSupport/src/org/intellij/lang/regexp/intention/CheckRegExpForm.java
index 242dae54255b..9c6b6502d02a 100644
--- a/RegExpSupport/src/org/intellij/lang/regexp/intention/CheckRegExpForm.java
+++ b/RegExpSupport/src/org/intellij/lang/regexp/intention/CheckRegExpForm.java
@@ -156,7 +156,7 @@ public class CheckRegExpForm {
       myMessage.setText(correct == null ? "Pattern is too complex" : correct ? "Matches!" : "No match");
       myRootPanel.revalidate();
       Balloon balloon = JBPopupFactory.getInstance().getParentBalloonFor(myRootPanel);
-      if (balloon != null) balloon.revalidate();
+      if (balloon != null && !balloon.isDisposed()) balloon.revalidate();
     });
   }