// Copyright 2020 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: --no-builtin-subclassingclassSubArrayextendsArray{}// Constructor methodsassertInstanceof(SubArray.from([1,2,3]),Array);assertEquals(SubArray.from([1,2,3]).constructor,Array);assertInstanceof(SubArray.of([1,2,3]),Array);assertEquals(SubArray.of([1,2,3]).constructor,Array);