From 401a0096ebbccad679748da63af7aaba26f21782 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Wed, 8 Aug 2012 09:33:35 +0000
Subject: [PATCH] 0021776: [CEA 610] SetEnforcedMeshWithGroup fails or succeeds
 depending in how we use it

static void addElemInMeshGroup(SMESH_Mesh*             theMesh,
                               const SMDS_MeshElement* anElem,
                               std::string&            groupName,
                               std::set<std::string>&  groupsToRemove)
{
+  if ( !anElem ) return; // issue 0021776
---
 src/GHS3DPlugin/GHS3DPlugin_GHS3D.cxx | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/GHS3DPlugin/GHS3DPlugin_GHS3D.cxx b/src/GHS3DPlugin/GHS3DPlugin_GHS3D.cxx
index 6da9eec..76d36b1 100644
--- a/src/GHS3DPlugin/GHS3DPlugin_GHS3D.cxx
+++ b/src/GHS3DPlugin/GHS3DPlugin_GHS3D.cxx
@@ -1001,11 +1001,13 @@ static int findShapeID(SMESH_Mesh&          mesh,
 //purpose  : Update or create groups in mesh
 //=======================================================================
 
-static void addElemInMeshGroup(SMESH_Mesh* theMesh,
-                             const SMDS_MeshElement* anElem,
-                             std::string groupName,
-                             std::set<std::string> groupsToRemove)
+static void addElemInMeshGroup(SMESH_Mesh*             theMesh,
+                               const SMDS_MeshElement* anElem,
+                               std::string&            groupName,
+                               std::set<std::string>&  groupsToRemove)
 {
+  if ( !anElem ) return; // issue 0021776
+
   bool groupDone = false;
   SMESH_Mesh::GroupIteratorPtr grIt = theMesh->GetGroups();
   while (grIt->more()) {
-- 
2.39.2