From 6222decf41031864ed977e8ee2245eaa236350bb Mon Sep 17 00:00:00 2001
From: vsv <vitaly.smetannikov@opencascade.com>
Date: Wed, 18 Jan 2017 17:03:38 +0300
Subject: [PATCH] Issue #2011: Crash on using of degenerative edge

---
 src/GeomAPI/GeomAPI_Edge.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/GeomAPI/GeomAPI_Edge.cpp b/src/GeomAPI/GeomAPI_Edge.cpp
index 21aa2c5ed..0ce634005 100644
--- a/src/GeomAPI/GeomAPI_Edge.cpp
+++ b/src/GeomAPI/GeomAPI_Edge.cpp
@@ -193,6 +193,8 @@ bool GeomAPI_Edge::isInPlane(std::shared_ptr<GeomAPI_Pln> thePlane) const
   double aFirst, aLast;
   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
   Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+  if (aCurve.IsNull())
+    return false;
 
   double A, B, C, D;
   thePlane->coefficients(A, B, C, D);
-- 
2.39.2