// Copyright (C) 2014 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-runtime-semantics-classdefinitionevaluation es6id: 14.5.14 description: > The constructor of a null-extending class can contain an explicit return value. info: | Runtime Semantics: ClassDefinitionEvaluation [...] 15. If ClassHeritageopt is present, then set F's [[ConstructorKind]] internal slot to "derived". [...] 9.2.2 [[Construct]] [...] 13. If result.[[Type]] is return, then a. If Type(result.[[Value]]) is Object, return NormalCompletion(result.[[Value]]). [...] ---*/ var obj; class Foo extends null { constructor() { return obj = {}; } } var f = new Foo(); assert.sameValue(f, obj); assert.sameValue(Object.getPrototypeOf(f), Object.prototype); reportCompare(0, 0);