// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 23.4.1.1 esid: sec-weakset-iterable description: Default [[Prototype]] value derived from realm of the newTarget info: | [...] 2. Let set be ? OrdinaryCreateFromConstructor(NewTarget, "%WeakSetPrototype%", « [[WeakSetData]] »). [...] 9.1.14 GetPrototypeFromConstructor [...] 3. Let proto be ? Get(constructor, "prototype"). 4. If Type(proto) is not Object, then a. Let realm be ? GetFunctionRealm(constructor). b. Let proto be realm's intrinsic object named intrinsicDefaultProto. [...] features: [cross-realm, Reflect] ---*/ var other = $262.createRealm().global; var C = new other.Function(); C.prototype = null; var o = Reflect.construct(WeakSet, [], C); assert.sameValue(Object.getPrototypeOf(o), other.WeakSet.prototype);