=== tests/cases/conformance/es6/spread/iteratorSpreadInArray7.ts ===
var array: symbol[];
>array : symbol[]

array.concat([...new SymbolIterator]);
>array.concat([...new SymbolIterator]) : symbol[]
>array.concat : { <U extends symbol[]>(...items: U[]): symbol[]; (...items: symbol[]): symbol[]; }
>array : symbol[]
>concat : { <U extends symbol[]>(...items: U[]): symbol[]; (...items: symbol[]): symbol[]; }
>[...new SymbolIterator] : symbol[]
>...new SymbolIterator : symbol
>new SymbolIterator : SymbolIterator
>SymbolIterator : typeof SymbolIterator

class SymbolIterator {
>SymbolIterator : SymbolIterator

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

        return {
>{            value: Symbol(),            done: false        } : { value: symbol; done: boolean; }

            value: Symbol(),
>value : symbol
>Symbol() : symbol
>Symbol : SymbolConstructor

            done: false
>done : boolean
>false : boolean

        };
    }

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

        return this;
>this : SymbolIterator
    }
}