From 2c378a4f8cdae47804895bbdc0e231000a8e2933 Mon Sep 17 00:00:00 2001
From: jrheinlaender <jrheinlaender@users.sourceforge.net>
Date: Mon, 6 May 2013 20:42:53 +0430
Subject: [PATCH] Add check in Document.cpp recompute() to check for invalid
 pointers

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

diff --git a/src/App/Document.cpp b/src/App/Document.cpp
index 8238964c4..4bbd347b1 100644
--- a/src/App/Document.cpp
+++ b/src/App/Document.cpp
@@ -1755,7 +1755,7 @@ void Document::recompute()
 
     for (std::list<Vertex>::reverse_iterator i = make_order.rbegin();i != make_order.rend(); ++i) {
         DocumentObject* Cur = d->vertexMap[*i];
-        if (!Cur) continue;
+        if (!Cur || !isIn(Cur)) continue;
 #ifdef FC_LOGFEATUREUPDATE
         std::clog << Cur->getNameInDocument() << " dep on:" ;
 #endif
@@ -1820,7 +1820,7 @@ void Document::recompute()
 
     // reset all touched
     for (std::map<Vertex,DocumentObject*>::iterator it = d->vertexMap.begin(); it != d->vertexMap.end(); ++it) {
-        if (it->second)
+        if ((it->second) && isIn(it->second))
             it->second->purgeTouched();
     }
     d->vertexMap.clear();