From fe0767a4b46e67d2d01e37b4396c020700c2d7b3 Mon Sep 17 00:00:00 2001
From: logari81 <logari81@e8eeb9e2-ec13-0410-a4a9-efa5cf37419d>
Date: Thu, 29 Dec 2011 16:25:40 +0000
Subject: [PATCH] 0000554 : Sketcher: adding angle constraint on a single line
 crashes FreeCAD

git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5358 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
---
 src/Mod/Sketcher/Gui/ViewProviderSketch.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp b/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
index 0d208a1cbd..d530b08f82 100644
--- a/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
+++ b/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
@@ -2207,7 +2207,8 @@ Restart:
             case Angle:
                 {
                     assert(Constr->First >= -extGeoCount && Constr->First < intGeoCount);
-                    assert(Constr->Second >= -extGeoCount && Constr->Second < intGeoCount);
+                    assert((Constr->Second >= -extGeoCount && Constr->Second < intGeoCount) ||
+                           Constr->Second == Constraint::GeoUndef);
 
                     SbVec3f p0;
                     double startangle,range,endangle;