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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-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
description: >
Removal of lexical environment for the initial evaluation of the statement
body
info: |
IterationStatement : for ( ForDeclaration of AssignmentExpression ) Statement
[...]
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
lexicalBinding, labelSet).
13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
[...]
5. Repeat
[...]
i. Let result be the result of evaluating stmt.
j. Set the running execution context's LexicalEnvironment to oldEnv.
k. If LoopContinues(result, labelSet) is false, return ?
IteratorClose(iterator, UpdateEmpty(result, V)).
l. If result.[[Value]] is not empty, let V be result.[[Value]].
features: [let]
---*/
let x = 'outside';
var probeDecl, probeBody;
for (
let [x, _ = probeDecl = function() { return x; }]
in
{ i: 0 }
)
probeBody = function() { return x; };
assert.sameValue(probeDecl(), 'i', 'reference from ForDeclaration');
assert.sameValue(probeBody(), 'i', 'reference from statement body');
assert.sameValue(x, 'outside');
reportCompare(0, 0);