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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-globaldeclarationinstantiation
es6id: 15.1.8
description: >
Let binding collision with non-configurable global property (not defined
through a declaration)
info: |
[...]
5. For each name in lexNames, do
a. If envRec.HasVarDeclaration(name) is true, throw a SyntaxError
exception.
b. If envRec.HasLexicalDeclaration(name) is true, throw a SyntaxError
exception.
c. Let hasRestrictedGlobal be ? envRec.HasRestrictedGlobalProperty(name).
d. If hasRestrictedGlobal is true, throw a SyntaxError exception.
---*/
Object.defineProperty(this, 'test262Configurable', { configurable: true });
Object.defineProperty(this, 'test262NonConfigurable', { configurable: false });
$262.evalScript('let test262Configurable;');
assert.throws(SyntaxError, function() {
$262.evalScript('var x; let test262NonConfigurable;');
});
assert.throws(ReferenceError, function() {
x;
});
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