From 3583c17450963925e1f48be6f19d07d2b9f3d5e5 Mon Sep 17 00:00:00 2001
From: dbv <dbv@opencascade.com>
Date: Wed, 7 Nov 2018 12:39:10 +0300
Subject: [PATCH] Fix crash.

---
 src/FeaturesPlugin/FeaturesPlugin_Extrusion.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/FeaturesPlugin/FeaturesPlugin_Extrusion.cpp b/src/FeaturesPlugin/FeaturesPlugin_Extrusion.cpp
index ceb01e793..8944dd362 100644
--- a/src/FeaturesPlugin/FeaturesPlugin_Extrusion.cpp
+++ b/src/FeaturesPlugin/FeaturesPlugin_Extrusion.cpp
@@ -148,7 +148,7 @@ bool FeaturesPlugin_Extrusion::makeExtrusions(ListOfShape& theBaseShapes,
       if(!aToShape.get() && aSelection->context().get()) {
         aToShape = aSelection->context()->shape();
       }
-      if (aToShape->isCompound()) {
+      if (aToShape.get() && aToShape->isCompound()) {
         GeomAPI_ShapeIterator anIt(aToShape);
         aToShape = anIt.current();
       }
@@ -159,7 +159,7 @@ bool FeaturesPlugin_Extrusion::makeExtrusions(ListOfShape& theBaseShapes,
       if(!aFromShape.get() && aSelection->context().get()) {
         aFromShape = aSelection->context()->shape();
       }
-      if (aFromShape->isCompound()) {
+      if (aFromShape.get() && aFromShape->isCompound()) {
         GeomAPI_ShapeIterator anIt(aFromShape);
         aFromShape = anIt.current();
       }
-- 
2.39.2