Fix RouteCollection not correctly clearing itself

diff --git a/mcs/class/System.Web/System.Web.Routing/RouteCollection.cs b/mcs/class/System.Web/System.Web.Routing/RouteCollection.cs
index d53c063441e031e840b38712192ef849e2c4bbae..a8ae41da81efdf3bd7c1d45e9527320b817627dc 100644 (file)
--- a/mcs/class/System.Web/System.Web.Routing/RouteCollection.cs
+++ b/mcs/class/System.Web/System.Web.Routing/RouteCollection.cs
@@ -107,8 +107,10 @@ namespace System.Web.Routing
 
                protected override void ClearItems ()
                {
-                       lock (GetWriteLock ())
+                       lock (GetWriteLock ()) {
                                base.ClearItems ();
+                               d.Clear ();
+                       }
                }
 
                public IDisposable GetReadLock ()