Object traversal hitting security sensitive fields can crash while sandboxed

[epitzer]

System.Security.SecurityException was unhandled by user code
  Message=Request failed.
  Source=mscorlib
  StackTrace:
       at System.Reflection.RtFieldInfo.PerformVisibilityCheckOnField(IntPtr field, Object target, RuntimeType declaringType, FieldAttributes attr, UInt32 invocationFlags)
       at System.Reflection.RtFieldInfo.InternalGetValue(Object obj, Boolean doVisibilityCheck, Boolean doCheckConsistency)
       at System.Reflection.RtFieldInfo.GetValue(Object obj)
       at HeuristicLab.Common.ObjectExtensions.<GetChildObjects>d__0.MoveNext()
       at HeuristicLab.Common.ObjectExtensions.GetObjectGraphObjects(Object obj, Boolean excludeStaticMembers)
       at HeuristicLab.Optimization.Algorithm.OnStopped()
       at HeuristicLab.Optimization.EngineAlgorithm.Engine_Stopped(Object sender, EventArgs e)
       at HeuristicLab.Core.Executable.OnStopped()
       at HeuristicLab.Core.Engine.OnStopped()
       at HeuristicLab.Core.Engine.<Start>b__0(Task t)
       at System.Threading.Tasks.Task.<>c__DisplayClassb.<ContinueWith>b__a(Object obj)
       at System.Threading.Tasks.Task.InnerInvoke()
       at System.Threading.Tasks.Task.Execute()
  InnerException: 

[epitzer]

r7139 Catch SecurityExceptions while accessing fields during object graph traversal.

[abeham]

ok