From 1ef48564e516df97f5ac600fe8b6ba1e8c6318a4 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Tue, 24 Jan 2012 13:01:34 +0000
Subject: [PATCH] 0021480: EDF 2084 SMESH: SIGSEGV when validating Netgen3D
 hypothesis   In ~TPreviewMesh(), nullify _myMeshDS after destruction

---
 src/SMESH_I/SMESH_MeshEditor_i.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SMESH_I/SMESH_MeshEditor_i.cxx b/src/SMESH_I/SMESH_MeshEditor_i.cxx
index 981a90ac9..448eef042 100644
--- a/src/SMESH_I/SMESH_MeshEditor_i.cxx
+++ b/src/SMESH_I/SMESH_MeshEditor_i.cxx
@@ -94,7 +94,7 @@ namespace {
       myPreviewType = previewElements;
     }
     //!< Destructor
-    virtual ~TPreviewMesh() { delete _myMeshDS; }
+    virtual ~TPreviewMesh() { delete _myMeshDS; _myMeshDS = 0; }
     //!< Copy a set of elements
     void Copy(const TIDSortedElemSet & theElements,
               TIDSortedElemSet&        theCopyElements,
-- 
2.39.2