// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- desc: Destructuring initializer with an undefined value template: default info: | 13.3.3.6 Runtime Semantics: IteratorBindingInitialization SingleNameBinding : BindingIdentifier Initializeropt [...] 6. If Initializer is present and v is undefined, then a. Let defaultValue be the result of evaluating Initializer. b. Let v be GetValue(defaultValue). [...] 7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v). ---*/ //- elems [x = 23] //- vals [undefined] //- body assert.sameValue(x, 23);