Fix to avoid crashes in unit tests

diff --git a/src/SketchSolver/PlaneGCSSolver/PlaneGCSSolver_Storage.cpp b/src/SketchSolver/PlaneGCSSolver/PlaneGCSSolver_Storage.cpp
index e70ec733737bd116f37bcec2e15a2f5c43234498..1cefde0322bd7baa364db68ef39ccf3d1285f67b 100644 (file)
--- 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);