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Kmake/deps/v8/test/mjsunit/compiler/regress-335310000.js

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2026-05-26 23:36:42 -07:00
// 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"));