From e096b5754248892300e463be89f4bd99f64348ff Mon Sep 17 00:00:00 2001
From: azv <azv@opencascade.com>
Date: Tue, 12 Feb 2019 13:01:34 +0300
Subject: [PATCH] Issue #2856: Fatal error in sketcher Split when moving the
 mouse on a circle

---
 src/SketchPlugin/SketchPlugin_Split.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/SketchPlugin/SketchPlugin_Split.cpp b/src/SketchPlugin/SketchPlugin_Split.cpp
index c90b10cc0..7fa6ffbc5 100644
--- a/src/SketchPlugin/SketchPlugin_Split.cpp
+++ b/src/SketchPlugin/SketchPlugin_Split.cpp
@@ -621,7 +621,8 @@ void SketchPlugin_Split::fillObjectShapes(const ObjectPtr& theObject,
     ModelGeomAlgo_Point2D::getPointsInsideShape_p(aFeatureShape, aRefAttributes, aC->pnt(),
                                                 aX->dir(), aY, aPoints, aPointToAttributes);
 
-    GeomAlgoAPI_ShapeTools::splitShape_p(aFeatureShape, aPoints, aShapes);
+    if (!aPoints.empty())
+      GeomAlgoAPI_ShapeTools::splitShape_p(aFeatureShape, aPoints, aShapes);
   }
   myCashedShapes[theObject] = aShapes;
   myCashedReferences[theObject] = aPointToAttributes;
-- 
2.39.2