// Copyright 2017 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 baz(obj, store) {
  if (store === true) obj[0] = 1;
}
function bar(store) {
  baz(Array.prototype, store);
  baz(this.arguments, true);
}
bar(false);
bar(false);
%OptimizeFunctionOnNextCall(bar);
bar(true);

function foo() { [].push(); }
foo();
foo();
%OptimizeFunctionOnNextCall(foo);
foo();
