mirror of
https://github.com/nodejs/node.git
synced 2025-05-19 02:54:19 +00:00
d8011d1683
PR-URL: https://github.com/nodejs/node/pull/3351 Reviewed-By: indutny - Fedor Indutny <fedor.indutny@gmail.com> Reviewed-By: bnoordhuis - Ben Noordhuis <info@bnoordhuis.nl>
31 lines
721 B
JavaScript
31 lines
721 B
JavaScript
// Copyright 2014 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// Flags: --allow-natives-syntax
|
|
|
|
|
|
(function TestProtoDeopt() {
|
|
var proto = {};
|
|
|
|
function deoptMe() {
|
|
%DeoptimizeFunction(f);
|
|
return proto;
|
|
}
|
|
|
|
function checkObject(name, value, o) {
|
|
assertSame(proto, Object.getPrototypeOf(o));
|
|
assertTrue(o.hasOwnProperty(name));
|
|
assertEquals(value, o[name]);
|
|
}
|
|
|
|
function f(name, value) {
|
|
return { [name]: value, __proto__: deoptMe() };
|
|
}
|
|
|
|
checkObject("a", 1, f("a", 1));
|
|
checkObject("b", 2, f("b", 2));
|
|
%OptimizeFunctionOnNextCall(f);
|
|
checkObject("c", 3, f("c", 3));
|
|
})();
|