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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-evaldeclarationinstantiation
description: >
Modification of previously-existing non-configurable global property
info: |
[...]
15. For each production f in functionsToInitialize, do
a. Let fn be the sole element of the BoundNames of f.
b. Let fo be the result of performing InstantiateFunctionObject for f
with argument lexEnv.
c. If varEnvRec is a global Environment Record, then
i. Perform ? varEnvRec.CreateGlobalFunctionBinding(fn, fo, true).
[...]
8.1.1.4.18 CreateGlobalFunctionBinding
[...]
5. If existingProp is undefined or existingProp.[[Configurable]] is true,
then
[...]
6. Else,
b. Let desc be the PropertyDescriptor{[[Value]]: V }.
7. Perform ? DefinePropertyOrThrow(globalObject, N, desc).
[...]
includes: [propertyHelper.js]
---*/
var initial;
Object.defineProperty(this, 'f', {
enumerable: true,
writable: true,
configurable: false
});
(0,eval)('initial = f; function f() { return 2222; }');
verifyEnumerable(this, 'f');
verifyWritable(this, 'f');
verifyNotConfigurable(this, 'f');
assert.sameValue(typeof initial, 'function');
assert.sameValue(initial(), 2222);
reportCompare(0, 0);
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