Commit: 159ac3f638df5b1a569aaab8800de9671f0667c9
Author: Bastien Montagne
Date:   Thu Sep 1 21:16:54 2016 +0200
Branches: master
https://developer.blender.org/rB159ac3f638df5b1a569aaab8800de9671f0667c9

Fix T49224: Crash due to dangling value in 'Object.proxy_from' pointer.

Why/how this may happen remains a mystery, so for now simply clearing this 
runtime-only
pointer on Object reading...

===================================================================

M       source/blender/blenloader/intern/readfile.c

===================================================================

diff --git a/source/blender/blenloader/intern/readfile.c 
b/source/blender/blenloader/intern/readfile.c
index f5bfe1f..57d499f 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -5303,6 +5303,9 @@ static void direct_link_object(FileData *fd, Object *ob)
         */
        ob->recalc = 0;
 
+       /* XXX This should not be needed - but seems like it can happen in some 
cases, so for now play safe... */
+       ob->proxy_from = NULL;
+
        /* loading saved files with editmode enabled works, but for undo we like
         * to stay in object mode during undo presses so keep editmode disabled.
         *

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