v8/test/mjsunit/regress/regress-crbug-644689-1.js
bmeurer 4ed27fc836 [turbofan] Ensure that all prototypes are stable for push/pop.
When lowering Array.prototype.push/.pop to the fast inlined version, we
first need to ensure that all prototypes (including the Object.prototype)
are stable.

R=mvstanton@chromium.org
BUG=chromium:644689

Review-Url: https://codereview.chromium.org/2319533005
Cr-Commit-Position: refs/heads/master@{#39266}
2016-09-08 08:48:32 +00:00

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JavaScript

// Copyright 2016 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
for (var i = 0; i < 1024; ++i) Object.prototype["i" + i] = i;
function foo() { [].push(1); }
foo();
foo();
%OptimizeFunctionOnNextCall(foo);
foo();