From 03ec1eff3194bb0f273bac9ee3c70ac59df9d868 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Tue, 10 Sep 2013 14:28:13 +0000
Subject: [PATCH] Avoid SIGSEGV in debug mode if CheckNbEdges() is called w/o
 calling Compute()

---
 src/StdMeshers/StdMeshers_Quadrangle_2D.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx b/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx
index de0523143..4f595074f 100644
--- a/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx
+++ b/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx
@@ -961,7 +961,7 @@ FaceQuadStruct::Ptr StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh &
       }
     }
   }
-  if (nbSides != 4) {
+  if (nbSides != 4 && myHelper) {
 #ifdef _DEBUG_
     MESSAGE ("StdMeshers_Quadrangle_2D. Edge IDs of " << nbSides << " sides:\n");
     for (int i = 0; i < nbSides; ++i) {
-- 
2.39.2