mirror of https://github.com/tc39/test262.git
18 lines
437 B
JavaScript
18 lines
437 B
JavaScript
// Copyright (C) 2016 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: The head's declaration may contain duplicate entries
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esid: sec-for-in-and-for-of-statements-static-semantics-early-errors
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es6id: 13.7.5
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---*/
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var iterCount = 0;
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for (var [x, x] in { ab: null }) {
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assert.sameValue(x, 'b');
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iterCount += 1;
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}
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assert.sameValue(iterCount, 1);
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