Demo of oddity for 13.5.1

gistfile1.txt

using System;

public class Base
{
    public void Foo()
    {
        Console.WriteLine("Foo");
    }
}

public class Child : Base
{
// This is fine
//    public new int Foo = 10;
// This isn't, even though it can't be invoked in Test anyway.
    public new event Action Foo;
}

class Test
{
    static void Main(string[] args)
    {
        new Child().Foo();
    }
}