// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-iteration-statements es6id: 13.7 description: > The `let` token is interpreted as an Identifier when it is not followed by a `[` token info: | Syntax IterationStatement[Yield, Return]: for ( [lookahead ∉ { let [ } ] LeftHandSideExpression[?Yield] in Expression[+In, ?Yield] ) Statement[?Yield, ?Return] for ( ForDeclaration[?Yield] in Expression[+In, ?Yield] ) Statement[?Yield, ?Return] flags: [noStrict] ---*/ var obj = Object.create(null); var let, value; obj.key = 1; for ( let in obj ) ; assert.sameValue(let, 'key', 'IdentifierReference'); Object.defineProperty(Array.prototype, '1', { set: function(param) { value = param; } }); for ( [let][1] in obj ) ; assert.sameValue(value, 'key', 'MemberExpression'); reportCompare(0, 0);