Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-597.cs

@@ -0,0 +1,32 @@
+namespace TestNS
+{
+	public interface IHoge {}
+
+	public class Foo {}
+
+	public class XElement : Element
+	{
+		public new Bar Document { get { return null; } }
+
+		public object CrashHere {
+			get { return (Document.Root == this) ? null : ""; }
+		}
+	}
+
+	public class Element
+	{
+		public Foo Document { get { return null; } }
+	}
+
+	public class Bar
+	{
+		public IHoge Root { get { return null; } }
+	}
+	
+	public class C 
+	{
+		public static void Main ()
+		{
+		}
+	}
+}