Repro for StackOverflow #8609110

gistfile1.cs

using System;
using System.ComponentModel;
using System.Diagnostics.Contracts;
using System.Linq.Expressions;

namespace ConsoleApplication
{
    class MyViewModel<T> : INotifyPropertyChanged
    {
        /// <summary>
        /// Get / Set the actual value of the property
        /// </summary>
        public T Value
        {
            get;
            set;
        }

        public event PropertyChangedEventHandler PropertyChanged;
    }

    public class Program
    {
        public static void Main()
        {
            var myObserver = new PropertyObserver<MyViewModel<bool>>();
            //this line throws the error, within the n => n.Value expression
            myObserver.RegisterHandler(n => n.Value);
        }
    }

    public class PropertyObserver<TPropertySource> where TPropertySource : INotifyPropertyChanged
    {
        public PropertyObserver<TPropertySource> RegisterHandler(Expression<Func<TPropertySource, object>> expression)
        {
            //what this does is irrelevant; the violation occurs in the method call
            throw new NotImplementedException();
        }
    }
}