From 2cdd4a5467984e3d1cbff50436debcd2d44d71b6 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Mon, 4 Jan 2016 17:11:52 +0500
Subject: [PATCH] Cycles: Fix access uninitialized SVM stack caused by recent
 optimization

---
 intern/cycles/render/svm.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/intern/cycles/render/svm.cpp b/intern/cycles/render/svm.cpp
index 48f31ebe298..140ebaa55b8 100644
--- a/intern/cycles/render/svm.cpp
+++ b/intern/cycles/render/svm.cpp
@@ -622,6 +622,7 @@ void SVMCompiler::generate_multi_closure(ShaderNode *root_node,
 	}
 
 	state->nodes_done.insert(node);
+	state->nodes_done_flag[node->id] = true;
 }