From 3e659a8a1da4ffbf1841bc4ec4bad7b8993f1bde Mon Sep 17 00:00:00 2001
From: skv <skv@opencascade.com>
Date: Wed, 16 Oct 2013 13:49:44 +0000
Subject: [PATCH] 0022307: implement workaround for OCC bug 0024263

---
 src/GEOMImpl/GEOMImpl_BooleanDriver.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/GEOMImpl/GEOMImpl_BooleanDriver.cxx b/src/GEOMImpl/GEOMImpl_BooleanDriver.cxx
index 250218208..5dabd57a4 100644
--- a/src/GEOMImpl/GEOMImpl_BooleanDriver.cxx
+++ b/src/GEOMImpl/GEOMImpl_BooleanDriver.cxx
@@ -205,6 +205,7 @@ Standard_Integer GEOMImpl_BooleanDriver::Execute (TFunction_Logbook& log) const
             }
 
             // Copy shape
+            aShapeCopy.Nullify();
             TNaming_CopyShape::CopyTool(aShape2, aMapTShapes, aShapeCopy);
 	    aShape = performOperation (aShape, aShapeCopy, aSimpleType);
 	    
@@ -276,6 +277,7 @@ Standard_Integer GEOMImpl_BooleanDriver::Execute (TFunction_Logbook& log) const
           }
 
           // Copy shape
+          aShapeCopy.Nullify();
           TNaming_CopyShape::CopyTool(aTool, aMapTShapes, aShapeCopy);
           aShape = performOperation (aShape, aShapeCopy, BOOLEAN_CUT);
 
-- 
2.39.2