// Copyright 2023 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: --harmony-struct --allow-natives-syntax function Foo() {} function TestInstanceOfMutex() { return Foo instanceof Atomics.Mutex; } function TestInstanceOfCondition() { return Foo instanceof Atomics.Condition; } function TestInstanceOfSharedArray() { return Foo instanceof SharedArray; } function TestInstanceOfSharedStruct() { return Foo instanceof (new SharedStructType(["foo"])); } %PrepareFunctionForOptimization(TestInstanceOfMutex); %PrepareFunctionForOptimization(TestInstanceOfCondition); %PrepareFunctionForOptimization(TestInstanceOfSharedArray); %PrepareFunctionForOptimization(TestInstanceOfSharedStruct); for (let i = 0; i < 10; i++) { assertFalse(TestInstanceOfMutex()); assertFalse(TestInstanceOfCondition()); assertFalse(TestInstanceOfSharedArray()); assertFalse(TestInstanceOfSharedStruct()); } %OptimizeFunctionOnNextCall(TestInstanceOfMutex); %OptimizeFunctionOnNextCall(TestInstanceOfCondition); %OptimizeFunctionOnNextCall(TestInstanceOfSharedArray); %OptimizeFunctionOnNextCall(TestInstanceOfSharedStruct); assertFalse(TestInstanceOfMutex()); assertFalse(TestInstanceOfCondition()); assertFalse(TestInstanceOfSharedArray()); assertFalse(TestInstanceOfSharedStruct());