class C1[T] where T : C1[T], new()
{
    public Prop : int { get; protected set }
    
    public static StM() : void
    {
        def a = T();
        a.Prop = 666;
    }
}

C:\Program Files (x86)\Nemerle\Net-4.0\Nemerle.MSBuild.targets(289,5): error : internal compiler error: got some unknown exception of type System.NullReferenceException: Object reference not set to an instance of an object.
at Nemerle.Compiler.MemberInfo.CanAccess(TypeInfo memberTypeInfo, TypeInfo currentTypeInfo, Boolean isThisAccess)
at Nemerle.Compiler.Typer2.DoWalk(Context ctx, TExpr expr)
at Nemerle.Compiler.Typer2.Walk(Context ctx, TExpr expr)
at Nemerle.Compiler.Typer2.DoWalk(Context ctx, TExpr expr)
at Nemerle.Compiler.Typer2.Walk(Context ctx, TExpr expr)
at Nemerle.Compiler.Typer2.DoWalk(Context ctx, TExpr expr)
at Nemerle.Compiler.Typer2.Walk(Context ctx, TExpr expr)
at Nemerle.Compiler.Typer2.DoWalk(Context ctx, TExpr expr)
at Nemerle.Compiler.Typer2.Walk(Context ctx, TExpr expr)
at Nemerle.Compiler.Typer2.DoWalk(Context ctx, TExpr expr)
at Nemerle.Compiler.Typer2.Walk(Context ctx, TExpr expr)
at Nemerle.Compiler.Typer2.DoWalk(Context ctx, TExpr expr)
at Nemerle.Compiler.Typer2.Walk(Context ctx, TExpr expr)
at Nemerle.Compiler.Typer2.Run()
at Nemerle.Compiler.Typer.RunSecondPass(MethodBuilder meth)
at Nemerle.Compiler.Typer.RunFullTyping()
at Nemerle.Compiler.MethodBuilder.RunBodyTyper()
at Nemerle.Compiler.MethodBuilder.Compile()
at Nemerle.Compiler.TypeBuilder.EmitImplementation()
at Nemerle.Compiler.TypesManager._N_emit_impl__62688.apply_void(TypeBuilder ti)
at Nemerle.Compiler.TypesManager._N_maybe_f__62939.apply_void(TypeBuilder ti)
at Nemerle.Collections.NList.Iter[T](list`1 l, FunctionVoid`1 f)
at Nemerle.Compiler.TypesManager.Iter(list`1 builders, FunctionVoid`1 f)
at Nemerle.Compiler.TypesManager.compile_all_tyinfos(Boolean aux_phase)
at Nemerle.Compiler.TypesManager._N__N_lambda__62112__62215.apply_void()
at Nemerle.Compiler.Solver.Enqueue(FunctionVoid action)
at Nemerle.Compiler.ManagerClass.Run()
at Nemerle.CommandlineCompiler.MainClass.main_with_catching()
Done building project "Test4.nproj" -- FAILED.