From 8ba678133b4bdc2928c2e4f0ad49660b1df9b4e9 Mon Sep 17 00:00:00 2001
From: anv <anv@opencascade.com>
Date: Tue, 14 Apr 2015 14:23:28 +0300
Subject: [PATCH] 0026073: Changes were lost

Fixed small bug with empty handle usage
---
 src/BRepTopAdaptor/BRepTopAdaptor_TopolTool.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/BRepTopAdaptor/BRepTopAdaptor_TopolTool.cxx b/src/BRepTopAdaptor/BRepTopAdaptor_TopolTool.cxx
index a0c132d57d..9d6d203326 100644
--- a/src/BRepTopAdaptor/BRepTopAdaptor_TopolTool.cxx
+++ b/src/BRepTopAdaptor/BRepTopAdaptor_TopolTool.cxx
@@ -187,6 +187,8 @@ static
 						  const Standard_Real Tol,
 						  const Standard_Boolean RecadreOnPeriodic)
 {
+  if(myFace.IsNull())
+    return TopAbs_UNKNOWN;
   if(myFClass2d == NULL) { 
     myFClass2d = (void *) new BRepTopAdaptor_FClass2d(myFace,Tol);
   } 
-- 
2.39.5