Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-566.cs

@@ -0,0 +1,65 @@
+public class Test
+{
+	private C _vssItem;
+
+	public string Spec
+	{
+		get { return _vssItem.Spec; }
+	}
+	
+	void Foo (C c)
+	{
+		c.Checkout ();
+	}
+	
+	void Foo2 (CC cc)
+	{
+		cc.Spec = "aa";
+	}
+
+	public static void Main ()
+	{
+	}
+}
+
+interface A
+{
+	void Checkout ();
+	string Spec
+	{
+		get;
+	}
+}
+
+interface B : A
+{
+	new void Checkout ();
+	new string Spec
+	{
+		get;
+	}
+}
+
+interface C : B
+{
+}
+
+class CA
+{
+	public string Spec
+	{
+		set {}
+	}
+}
+
+class CB : CA
+{
+	new public string Spec
+	{
+		set {}
+	}
+}
+
+class CC : CB
+{
+}