// Copyright 2024 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 class C { foo() { return super.x; } } let o = new C(); %PrepareFunctionForOptimization(o.foo); assertEquals(undefined, o.foo()); o.__proto__.__proto__ = new String("bla"); assertEquals(undefined, o.foo()); %OptimizeFunctionOnNextCall(o.foo); assertEquals(undefined, o.foo());