// 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-syntaxfunctionfoo(a,b){returna%b;}foo(2,1);foo(2,1);%OptimizeFunctionOnNextCall(foo);assertEquals(-0,foo(-2,1));