// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: >
    Spread operator applied to the only argument when GetIterator fails
    (@@iterator function return value)
template: error
features: [Symbol.iterator]
info: |
    12.3.6.1 Runtime Semantics: ArgumentListEvaluation

    ArgumentList : ... AssignmentExpression

    1. Let list be an empty List.
    2. Let spreadRef be the result of evaluating AssignmentExpression.
    3. Let spreadObj be GetValue(spreadRef).
    4. Let iterator be GetIterator(spreadObj).
    5. ReturnIfAbrupt(iterator).

    7.4.1 GetIterator ( obj, method )

    [...]
    2. Let iterator be ? Call(method, obj).
    3. If Type(iterator) is not Object, throw a TypeError exception.
---*/

//- setup
var iter = {};
iter[Symbol.iterator] = function() {
  return null;
};
//- error
TypeError
//- args
...iter