mirror of
https://github.com/nodejs/node.git
synced 2025-05-15 10:01:49 +00:00
cfbf9e0d14
PR-URL: https://github.com/nodejs/node/pull/52465 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
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 --turbofan --no-always-turbofan
|
|
|
|
function add(a, b) {
|
|
return a + b;
|
|
}
|
|
%PrepareFunctionForOptimization(add);
|
|
|
|
const string = 'first';
|
|
const stringWrapper = new String('second');
|
|
|
|
assertEquals('firstsecond', add(string, stringWrapper));
|
|
%OptimizeFunctionOnNextCall(add);
|
|
|
|
assertEquals('firstsecond', add(string, stringWrapper));
|
|
assertOptimized(add);
|
|
|
|
// Also passing the params the other way around is supported (both params are
|
|
// of type "string or string wrapper").
|
|
|
|
assertEquals('secondfirst', add(stringWrapper, string));
|
|
assertOptimized(add);
|
|
|
|
assertEquals('firstfirst', add(string, string));
|
|
assertOptimized(add);
|
|
|
|
assertEquals('secondsecond', add(stringWrapper, stringWrapper));
|
|
assertOptimized(add);
|
|
|
|
// Invalidate the protector.
|
|
stringWrapper.valueOf = () => 'third';
|
|
|
|
assertUnoptimized(add);
|
|
assertEquals('firstthird', add(string, stringWrapper));
|