From 5de01fde534e1ec1adbf9241d2644cd8cdab9302 Mon Sep 17 00:00:00 2001
From: Elena Shipunova <elena.shipunova@itseez.com>
Date: Mon, 7 Sep 2015 13:50:30 +0300
Subject: [PATCH] do not proceed with removing zero-length slice

---
 modules/core/src/datastructs.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/core/src/datastructs.cpp b/modules/core/src/datastructs.cpp
index 34ed64dbe0..2612de6c5d 100644
--- a/modules/core/src/datastructs.cpp
+++ b/modules/core/src/datastructs.cpp
@@ -1695,6 +1695,9 @@ cvSeqRemoveSlice( CvSeq* seq, CvSlice slice )
 
     slice.end_index = slice.start_index + length;
 
+    if ( slice.start_index == slice.end_index )
+        return;
+
     if( slice.end_index < total )
     {
         CvSeqReader reader_to, reader_from;