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9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
23 lines
572 B
JavaScript
23 lines
572 B
JavaScript
// 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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//
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// Flags: --allow-natives-syntax
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function foo(a) {
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return new String(a);
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}
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const obj = {
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[Symbol.toPrimitive]() {
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%DeoptimizeFunction(foo);
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return "I'm a very special object";
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},
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};
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%PrepareFunctionForOptimization(foo);
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assertEquals(new String("I'm a very special object"), foo(obj));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(new String("I'm a very special object"), foo(obj));
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