From fd08570665ff02dfb4d80f7943d7ac4338743fbc Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Fri, 7 Apr 2017 15:07:25 +0200
Subject: [PATCH] Cycles: Fix access of NULL pointer as array

Was confusing guarded allocator for some reason.
---
 intern/cycles/blender/blender_mesh.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/intern/cycles/blender/blender_mesh.cpp b/intern/cycles/blender/blender_mesh.cpp
index 304b1992032..54571b1fea1 100644
--- a/intern/cycles/blender/blender_mesh.cpp
+++ b/intern/cycles/blender/blender_mesh.cpp
@@ -560,6 +560,9 @@ static void attr_create_pointiness(Scene *scene,
 		return;
 	}
 	const int num_verts = b_mesh.vertices.length();
+	if(num_verts == 0) {
+		return;
+	}
 	/* STEP 1: Find out duplicated vertices and point duplicates to a single
 	 *         original vertex.
 	 */