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// 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');
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