23 lines
490 B
JavaScript
23 lines
490 B
JavaScript
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// Copyright 2024 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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class C {
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foo() {
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return super.x;
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}
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}
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let o = new C();
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%PrepareFunctionForOptimization(o.foo);
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assertEquals(undefined, o.foo());
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o.__proto__.__proto__ = new String("bla");
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assertEquals(undefined, o.foo());
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%OptimizeFunctionOnNextCall(o.foo);
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assertEquals(undefined, o.foo());
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