// 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 f() {
  g();
}

function g() {
  %DeoptimizeFunction(f);
  %DeoptimizeFunction(f);
}

%PrepareFunctionForOptimization(f);
f(); f();
%OptimizeFunctionOnNextCall(f);
f();
