From 251b260942a581f85b20e2ebe88787ac07334915 Mon Sep 17 00:00:00 2001
From: azv <azv@opencascade.com>
Date: Tue, 16 May 2017 18:06:26 +0300
Subject: [PATCH] Fix to avoid crashes in unit tests

---
 src/SketchSolver/PlaneGCSSolver/PlaneGCSSolver_Storage.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SketchSolver/PlaneGCSSolver/PlaneGCSSolver_Storage.cpp b/src/SketchSolver/PlaneGCSSolver/PlaneGCSSolver_Storage.cpp
index e70ec7337..1cefde032 100644
--- a/src/SketchSolver/PlaneGCSSolver/PlaneGCSSolver_Storage.cpp
+++ b/src/SketchSolver/PlaneGCSSolver/PlaneGCSSolver_Storage.cpp
@@ -284,7 +284,7 @@ void PlaneGCSSolver_Storage::makeNonExternal(const EntityWrapperPtr& theEntity)
 
 void PlaneGCSSolver_Storage::createArcConstraints(const EntityWrapperPtr& theArc)
 {
-  if (theArc->type() != ENTITY_ARC || theArc->isExternal())
+  if (!theArc || theArc->type() != ENTITY_ARC || theArc->isExternal())
     return;
 
   EdgeWrapperPtr anEdge = std::dynamic_pointer_cast<PlaneGCSSolver_EdgeWrapper>(theArc);
-- 
2.39.2