=== tests/cases/compiler/intrinsics.ts ===
var hasOwnProperty: hasOwnProperty; // Error
>hasOwnProperty : hasOwnProperty

module m1 {
>m1 : typeof m1

    export var __proto__;
>__proto__ : any

    interface __proto__ {}

    class C<T extends { __proto__: __proto__ }> { }
>C : C<T>
>__proto__ : __proto__
}

__proto__ = 0; // Error, __proto__ not defined
>__proto__ = 0 : 0
>__proto__ : any
>0 : 0

m1.__proto__ = 0;
>m1.__proto__ = 0 : 0
>m1.__proto__ : any
>m1 : typeof m1
>__proto__ : any
>0 : 0

class Foo<__proto__> { }
>Foo : Foo<__proto__>

var foo: (__proto__: number) => void;
>foo : (__proto__: number) => void
>__proto__ : number