Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-31.cs

@@ -0,0 +1,41 @@
+//
+// Versioning test: make sure that we output a warning, but still call the derived
+// method
+//
+using System;
+
+class Base {
+	public int which;
+	
+	public virtual void A ()
+	{
+		which = 1;
+	}
+}
+
+class Derived :Base {
+	public virtual void A ()
+	{
+		which = 2;
+	}
+}
+
+class Test {
+	public static int Main ()
+	{
+		Derived d = new Derived ();
+
+		//
+		// This should call Derived.A and output a warning.
+		//
+		d.A ();
+
+		
+		if (d.which == 1)
+			return 1;
+
+		Console.WriteLine ("Test passes");
+		
+		return 0;
+	}
+}