mirror of
https://github.com/nodejs/node.git
synced 2025-05-15 19:07:23 +00:00
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>
26 lines
622 B
JavaScript
26 lines
622 B
JavaScript
// 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 --no-lazy-feedback-allocation
|
|
|
|
function A() {
|
|
Object.defineProperty(this, 'x', {
|
|
writable: true,
|
|
enumerable: false, // False!
|
|
configurable: true,
|
|
value: undefined
|
|
});
|
|
}
|
|
|
|
class B extends A {
|
|
x = {};
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(B);
|
|
let b = new B();
|
|
assertEquals(true, b.propertyIsEnumerable("x"));
|
|
%OptimizeFunctionOnNextCall(B);
|
|
b = new B();
|
|
assertEquals(true, b.propertyIsEnumerable("x"));
|