From bbf5548899be31fa8313b27b62e7324776b36823 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sun, 6 Nov 2016 15:09:42 +0100
Subject: [PATCH] break dependency to deleted object on rollback

---
 src/App/Document.cpp | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/App/Document.cpp b/src/App/Document.cpp
index ab1fc9258..9e6a98e8d 100644
--- a/src/App/Document.cpp
+++ b/src/App/Document.cpp
@@ -2087,7 +2087,7 @@ void Document::remObject(const char* sName)
     breakDependency(pos->second, true);
 
     //and remove the tip if needed
-    if(Tip.getValue() && strcmp(Tip.getValue()->getNameInDocument(), sName)==0) {
+    if (Tip.getValue() && strcmp(Tip.getValue()->getNameInDocument(), sName)==0) {
         Tip.setValue(nullptr);
         TipName.setValue("");
     }
@@ -2145,16 +2145,15 @@ void Document::_remObject(DocumentObject* pcObject)
     }
 
     // do no transactions if we do a rollback!
-    if (!d->rollback) {
+    if (!d->rollback && d->activeUndoTransaction) {
         // Undo stuff
-        if (d->activeUndoTransaction) {
-            signalTransactionRemove(*pcObject, d->activeUndoTransaction);
-            d->activeUndoTransaction->addObjectNew(pcObject);
-        }
+        signalTransactionRemove(*pcObject, d->activeUndoTransaction);
+        d->activeUndoTransaction->addObjectNew(pcObject);
     }
     else {
         // for a rollback delete the object
         signalTransactionRemove(*pcObject, 0);
+        breakDependency(pcObject, true);
     }
 
     // remove from map