=== tests/cases/conformance/es6/spread/iteratorSpreadInCall12.ts ===
new Foo(...[...new SymbolIterator, ...[...new StringIterator]]);
>new Foo(...[...new SymbolIterator, ...[...new StringIterator]]) : Foo<string | symbol>
>Foo : typeof Foo
>...[...new SymbolIterator, ...[...new StringIterator]] : string | symbol
>[...new SymbolIterator, ...[...new StringIterator]] : (string | symbol)[]
>...new SymbolIterator : symbol
>new SymbolIterator : SymbolIterator
>SymbolIterator : typeof SymbolIterator
>...[...new StringIterator] : string
>[...new StringIterator] : string[]
>...new StringIterator : string
>new StringIterator : StringIterator
>StringIterator : typeof StringIterator

class Foo<T> {
>Foo : Foo<T>
>T : T

    constructor(...s: T[]) { }
>s : T[]
>T : T
}

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
    }
}

class StringIterator {
>StringIterator : StringIterator

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

        return {
>{            value: "",            done: false        } : { value: string; done: boolean; }

            value: "",
>value : string
>"" : string

            done: false
>done : boolean
>false : boolean

        };
    }

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

        return this;
>this : StringIterator
    }
}