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[turbofan] Add test case for stores to properties that are also present on prototype.

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R=verwaest@chromium.org
BUG=v8:4470
LOG=n

Review URL: https://codereview.chromium.org/1407233006

Cr-Commit-Position: refs/heads/master@{#31517}
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bmeurer 2015-10-23 05:09:41 -07:00 committed by Commit bot
parent f1c0a86166
commit 2ab54f109e
1 changed files with 16 additions and 0 deletions
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16
test/mjsunit/compiler/regress-4470-1.js Normal file
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// 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);