// 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 --cache=code --no-lazy --opt

function f(x, y) { return x + y; }

%PrepareFunctionForOptimization(f);
assertEquals(1, f(0, 1));
assertEquals(5, f(2, 3));
%OptimizeFunctionOnNextCall(f);
assertEquals(9, f(4, 5));
assertOptimized(f);
