=== tests/cases/conformance/es6/destructuring/iterableArrayPattern4.ts ===
var a: Bar, b: Bar[];
>a : Bar, Symbol(a, Decl(iterableArrayPattern4.ts, 0, 3))
>Bar : Bar, Symbol(Bar, Decl(iterableArrayPattern4.ts, 1, 28))
>b : Bar[], Symbol(b, Decl(iterableArrayPattern4.ts, 0, 11))
>Bar : Bar, Symbol(Bar, Decl(iterableArrayPattern4.ts, 1, 28))

[a, ...b] = new FooIterator;
>[a, ...b] = new FooIterator : FooIterator
>[a, ...b] : Bar[]
>a : Bar, Symbol(a, Decl(iterableArrayPattern4.ts, 0, 3))
>...b : Bar
>b : Bar[], Symbol(b, Decl(iterableArrayPattern4.ts, 0, 11))
>new FooIterator : FooIterator
>FooIterator : typeof FooIterator, Symbol(FooIterator, Decl(iterableArrayPattern4.ts, 3, 27))

class Bar { x }
>Bar : Bar, Symbol(Bar, Decl(iterableArrayPattern4.ts, 1, 28))
>x : any, Symbol(x, Decl(iterableArrayPattern4.ts, 2, 11))

class Foo extends Bar { y }
>Foo : Foo, Symbol(Foo, Decl(iterableArrayPattern4.ts, 2, 15))
>Bar : Bar, Symbol(Bar, Decl(iterableArrayPattern4.ts, 1, 28))
>y : any, Symbol(y, Decl(iterableArrayPattern4.ts, 3, 23))

class FooIterator {
>FooIterator : FooIterator, Symbol(FooIterator, Decl(iterableArrayPattern4.ts, 3, 27))

    next() {
>next : () => { value: Foo; done: boolean; }, Symbol(next, Decl(iterableArrayPattern4.ts, 4, 19))

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

            value: new Foo,
>value : Foo, Symbol(value, Decl(iterableArrayPattern4.ts, 6, 16))
>new Foo : Foo
>Foo : typeof Foo, Symbol(Foo, Decl(iterableArrayPattern4.ts, 2, 15))

            done: false
>done : boolean, Symbol(done, Decl(iterableArrayPattern4.ts, 7, 27))
>false : boolean

        };
    }

    [Symbol.iterator]() {
>Symbol.iterator : symbol, Symbol(SymbolConstructor.iterator, Decl(lib.d.ts, 1236, 31))
>Symbol : SymbolConstructor, Symbol(Symbol, Decl(lib.d.ts, 1186, 52), Decl(lib.d.ts, 1262, 11))
>iterator : symbol, Symbol(SymbolConstructor.iterator, Decl(lib.d.ts, 1236, 31))

        return this;
>this : FooIterator, Symbol(FooIterator, Decl(iterableArrayPattern4.ts, 3, 27))
    }
}