mirror of
https://github.com/nodejs/node.git
synced 2025-05-17 08:05:29 +00:00

PR-URL: https://github.com/nodejs/node/pull/44741 Fixes: https://github.com/nodejs/node/issues/44650 Fixes: https://github.com/nodejs/node/issues/37472 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
29 lines
808 B
JavaScript
29 lines
808 B
JavaScript
// 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: --expose-gc --allow-natives-syntax --verify-heap --shared-string-table
|
|
|
|
const old = {};
|
|
old.bar = 100;
|
|
|
|
gc();
|
|
assertFalse(%InYoungGeneration(old));
|
|
|
|
const foo = 'a'.repeat(9);
|
|
assertTrue(%InYoungGeneration(foo));
|
|
assertTrue(%IsInPlaceInternalizableString(foo));
|
|
|
|
// Create old-to-new reference.
|
|
old.foo = foo;
|
|
|
|
// The second minor GC would usally promote that string
|
|
// into old space, with --shared-string-table it is promoted
|
|
// into shared heap instead. This should create an old-to-shared
|
|
// reference from an old-to-new slot.
|
|
gc({type: "minor"});
|
|
gc({type: "minor"});
|
|
|
|
// An additional full GC for heap verification.
|
|
gc();
|