node/deps/v8/test/mjsunit/compiler/regress-4470-1.js
Ali Ijaz Sheikh ef4170ea03 deps: upgrade to V8 4.8.271.17
Pick up V8 4.8 branch-head. This branch brings in @@isConcatSpreadable,
@@toPrimitive and ToLength ES6 changes. For full details see:
http://v8project.blogspot.de/2015/11/v8-release-48.html

https://github.com/v8/v8/commit/fa163e2

Ref: https://github.com/nodejs/node/pull/4399
PR-URL: https://github.com/nodejs/node/pull/4785
Reviewed-By: bnoordhuis - Ben Noordhuis <info@bnoordhuis.nl>
2016-01-21 16:53:58 -08:00

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JavaScript

// Copyright 2015 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 Foo() {}
Foo.prototype.x = 0;
function foo(f) {
f.x = 1;
}
foo(new Foo);
foo(new Foo);
%OptimizeFunctionOnNextCall(foo);
foo(new Foo);
assertEquals(Foo.prototype.x, 0);