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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.
/*---
es6id: 13.7.5.11
description: >
Completion value when head has no declaration and iteration occurs
info: |
IterationStatement : for ( LeftHandSideExpression in Expression ) Statement
1. Let keyResult be ForIn/OfHeadEvaluation( « », Expression, enumerate).
2. ReturnIfAbrupt(keyResult).
3. Return ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
keyResult, assignment, labelSet).
13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
[...]
2. Let V = undefined.
[...]
5. Repeat
a. Let nextResult be IteratorStep(iterator).
b. ReturnIfAbrupt(nextResult).
c. If nextResult is false, return NormalCompletion(V).
[...]
k. Let result be the result of evaluating stmt.
[...]
n. If result.[[value]] is not empty, let V be result.[[value]].
---*/
assert.sameValue(eval('var a; 1; for (a in { x: 0 }) { }'), undefined);
assert.sameValue(eval('var b; 2; for (b in { x: 0 }) { 3; }'), 3);
reportCompare(0, 0);