From 1fe84ea1b6d94c7b691679608caed5d5940fa364 Mon Sep 17 00:00:00 2001
From: nds <nds@opencascade.com>
Date: Mon, 10 Apr 2017 12:33:11 +0300
Subject: [PATCH] Issue #2116 Crash when Splitting a circle crossing external
 segments

---
 src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.cpp b/src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.cpp
index 1df2c7f87..e1a47c77c 100644
--- a/src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.cpp
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.cpp
@@ -698,7 +698,11 @@ void GeomAlgoAPI_ShapeTools::splitShape(const std::shared_ptr<GeomAPI_Shape>& th
                                       const GeomAlgoAPI_ShapeTools::PointToRefsMap& thePointsInfo,
                                       std::set<std::shared_ptr<GeomAPI_Shape> >& theShapes)
 {
-  // General Fuse to split edge by vertices
+  // to split shape at least one point should be presented in the points container
+  if (thePointsInfo.empty())
+    return;
+
+    // General Fuse to split edge by vertices
   BOPAlgo_Builder aBOP;
   TopoDS_Edge aBaseEdge = theBaseShape->impl<TopoDS_Edge>();
   // Rebuild closed edge to place vertex to one of split points.
-- 
2.39.2