// 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.
functionfoo(){}assertEquals(0,%GetDeoptCount(foo));foo();foo();%OptimizeFunctionOnNextCall(foo);foo();assertOptimized(foo);assertEquals(0,%GetDeoptCount(foo));// Unlink the function.%DeoptimizeFunction(foo);assertUnoptimized(foo);assertEquals(1,%GetDeoptCount(foo));foo();assertUnoptimized(foo);assertEquals(1,%GetDeoptCount(foo));