| // Copyright 2016 the V8 project authors. All rights reserved. | 
 | // Use of this source code is governed by a BSD-style license that can be | 
 | // found in the LICENSE file. | 
 |  | 
 | assertThrows(function(...[b = !b]) { }, ReferenceError); | 
 | assertThrows(() => (function([b = !b]) { })([]), ReferenceError); | 
 | assertThrows(() => (function({b = !b}) { })({}), ReferenceError); | 
 |  | 
 | assertThrows((...[b = !b]) => { }, ReferenceError); | 
 | assertThrows(() => (([b = !b]) => { })([]), ReferenceError); | 
 | assertThrows(() => (({b = !b}) => { })({}), ReferenceError); |