deps: V8: cherry-pick 1fada6b36f8d · nodejs/node@b0e8889

# Reset this number to 0 on major V8 upgrades.

# Increment by one for each non-official patch applied to deps/v8.

'v8_embedder_string': '-node.33',

'v8_embedder_string': '-node.34',

##### V8 defaults for Node.js #####

};

HeapObject target = HeapObject::cast(weak_cell.target());

if (!non_atomic_marking_state()->IsBlackOrGrey(target)) {

DCHECK(!target.IsUndefined());

DCHECK(target.CanBeHeldWeakly());

// The value of the WeakCell is dead.

JSFinalizationRegistry finalization_registry =

JSFinalizationRegistry::cast(weak_cell.finalization_registry());

HeapObject unregister_token = weak_cell.unregister_token();

if (!non_atomic_marking_state()->IsBlackOrGrey(unregister_token)) {

DCHECK(unregister_token.CanBeHeldWeakly());

// The unregister token is dead. Remove any corresponding entries in the

// key map. Multiple WeakCell with the same token will have all their

// unregister_token field set to undefined when processing the first

JSFinalizationRegistry finalization_registry =

JSFinalizationRegistry::cast(weak_cell.finalization_registry());

finalization_registry.RemoveUnregisterToken(

JSReceiver::cast(unregister_token), isolate(),

unregister_token, isolate(),

JSFinalizationRegistry::kKeepMatchedCellsInRegistry,

gc_notify_updated_slot);

} else {

// Copyright 2022 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: --harmony-symbol-as-weakmap-key --expose-gc

// Register an object in a FinalizationRegistry with a Symbol as the unregister

// token.

let fr = new FinalizationRegistry(function () {});

(function register() {

fr.register({}, "holdings", Symbol('unregisterToken'));

})();

// The unregister token should be dead, trigger its collection.

gc();