From ac370231fcfc363eb07e19f5387de2c11181ba6f Mon Sep 17 00:00:00 2001
From: Aleksey Pivovarov <AMPivovarov@gmail.com>
Date: Fri, 4 Sep 2015 14:24:49 +0300
Subject: [PATCH] EA-72528 - IOOBE: LineSet.checkLineIndex

---
 .../src/com/intellij/openapi/vcs/ex/LineStatusTracker.java       | 1 +
 1 file changed, 1 insertion(+)

diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/ex/LineStatusTracker.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/ex/LineStatusTracker.java
index 28ca45abe012..350a3ef497b3 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/ex/LineStatusTracker.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/ex/LineStatusTracker.java
@@ -752,6 +752,7 @@ public class LineStatusTracker {
 
   private void markLinesUnchanged(int startLine, int endLine) {
     if (myDocument.getTextLength() == 0) return; // empty document has no lines
+    if (startLine == endLine) return;
     ((DocumentImpl)myDocument).clearLineModificationFlags(startLine, endLine);
   }