From 78b24c9ba70b36f3fbd5aaf3109f4a8c5255b428 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Tue, 8 Apr 2014 13:59:22 +0200
Subject: [PATCH] + fixes# 0001502: crash when using 'move' tool in part
 workbench

---
 src/Mod/Part/Gui/SoBrepEdgeSet.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/Mod/Part/Gui/SoBrepEdgeSet.cpp b/src/Mod/Part/Gui/SoBrepEdgeSet.cpp
index ae725e86e..cf90e4a40 100644
--- a/src/Mod/Part/Gui/SoBrepEdgeSet.cpp
+++ b/src/Mod/Part/Gui/SoBrepEdgeSet.cpp
@@ -150,10 +150,11 @@ void SoBrepEdgeSet::renderHighlight(SoGLRenderAction *action)
     SoMaterialBundle mb(action);
     mb.sendFirst(); // make sure we have the correct material
 
-    const int32_t* id = &(this->hl[0]);
     int num = (int)this->hl.size();
-
-    renderShape(static_cast<const SoGLCoordinateElement*>(coords), id, num);
+    if (num > 0) {
+        const int32_t* id = &(this->hl[0]);
+        renderShape(static_cast<const SoGLCoordinateElement*>(coords), id, num);
+    }
     state->pop();
 }