1 // Copyright 2016 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 6 (function(a = 0){ 7 var x; // allocated in a var block, due to use of default parameter 8 (function() { return !x })(); 9 })(); 10 11 (function({a}){ 12 var x; // allocated in a var block, due to use of parameter destructuring 13 (function() { return !x })(); 14 })({}); 15 16 (function(...a){ 17 var x; // allocated in a var block, due to use of rest parameter 18 (function() { return !x })(); 19 })(); 20
