From 51f9a2d4ddb07cb536d1bfef694995b81e4079af Mon Sep 17 00:00:00 2001
From: nds <nds@opencascade.com>
Date: Fri, 26 Feb 2016 21:20:12 +0300
Subject: [PATCH] crash fix: mirror (line, axis of sketch), select with
 rectangle, delete

---
 src/SketcherPrs/SketcherPrs_Mirror.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/SketcherPrs/SketcherPrs_Mirror.cpp b/src/SketcherPrs/SketcherPrs_Mirror.cpp
index 499cfc7a2..7218e9ead 100644
--- a/src/SketcherPrs/SketcherPrs_Mirror.cpp
+++ b/src/SketcherPrs/SketcherPrs_Mirror.cpp
@@ -81,6 +81,8 @@ bool SketcherPrs_Mirror::updatePoints(double theStep) const
   // get position for each source object
   for (i = 0; i < aNb; i++) {
     aObj = anAttrB->object(i);
+    if (SketcherPrs_Tools::getShape(aObj).get() == NULL)
+      continue;
     aP1 = aMgr->getPosition(aObj, this, theStep);
     myPntArray->SetVertice(i + 1, aP1);
   }  
-- 
2.39.2