=== tests/cases/conformance/es6/for-ofStatements/for-of21.ts ===
for (const v of new FooIterator) {
>v : Foo
>new FooIterator : FooIterator
>FooIterator : typeof FooIterator

    v;
>v : Foo
}

class Foo { }
>Foo : Foo

class FooIterator {
>FooIterator : FooIterator

    next() {
>next : () => { value: Foo; done: boolean; }

        return {
>{            value: new Foo,            done: false        } : { value: Foo; done: boolean; }

            value: new Foo,
>value : Foo
>new Foo : Foo
>Foo : typeof Foo

            done: false
>done : boolean
>false : boolean

        };
    }
    [Symbol.iterator]() {
>Symbol.iterator : symbol
>Symbol : SymbolConstructor
>iterator : symbol

        return this;
>this : FooIterator
    }
}