From 2a838c71d9ceba30bb2ec00f303f2d3484b37314 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Fri, 11 Nov 2016 15:28:34 +0100
Subject: [PATCH] Depsgraph: Add missing NULL pointer check

---
 source/blender/depsgraph/intern/builder/deg_builder_nodes.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc b/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
index 8cf0fdff915..9eeff9f79f6 100644
--- a/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
+++ b/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
@@ -463,7 +463,9 @@ void DepsgraphNodeBuilder::build_object(Scene *scene, Base *base, Object *ob)
 {
 	if (ob->id.tag & LIB_TAG_DOIT) {
 		IDDepsNode *id_node = m_graph->find_id_node(&ob->id);
-		id_node->layers |= base->lay;
+		if (base != NULL) {
+			id_node->layers |= base->lay;
+		}
 		return;
 	}
 	ob->id.tag |= LIB_TAG_DOIT;