mirror of
https://github.com/nodejs/node.git
synced 2025-05-22 17:53:49 +00:00

PR-URL: https://github.com/nodejs/node/pull/49639 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
35 lines
781 B
JavaScript
35 lines
781 B
JavaScript
// Copyright 2023 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
|
|
|
|
var s = %CreatePrivateSymbol('x');
|
|
|
|
(function TestSmi() {
|
|
function f(o, p) {
|
|
o[p] = 153;
|
|
}
|
|
(1).__proto__[s] = 42;
|
|
%PrepareFunctionForOptimization(f);
|
|
assertEquals(f(42, s), undefined);
|
|
}());
|
|
|
|
(function TestString() {
|
|
function f(o, p) {
|
|
o[p] = 153;
|
|
}
|
|
('xyz').__proto__[s] = 42;
|
|
%PrepareFunctionForOptimization(f);
|
|
assertEquals(f('abc', s), undefined);
|
|
}());
|
|
|
|
(function TestSymbol() {
|
|
function f(o, p) {
|
|
o[p] = 153;
|
|
}
|
|
Symbol('xyz').__proto__[s] = 42;
|
|
%PrepareFunctionForOptimization(f);
|
|
assertEquals(f(Symbol('abc'), s), undefined);
|
|
}());
|