// 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 f(x) {
var a = [1, 2];
a[x];
return a[0 - x];
}
f(0);
f(0);
%OptimizeFunctionOnNextCall(f);
assertEquals(undefined, f(1));