| // Copyright 2016 Microsoft, Inc. All rights reserved. | |
| // This code is governed by the BSD license found in the LICENSE file. | |
| /*--- | |
| author: Brian Terlson <brian.terlson@microsoft.com> | |
| esid: sec-sync-function-prototype-properties | |
| description: > | |
| %AsyncFunctionPrototype% has a [[Extensible]] of true | |
| ---*/ | |
| var AsyncFunction = async function foo() {}.constructor; | |
| AsyncFunction.prototype.x = 1; | |
| assert.sameValue(AsyncFunction.prototype.x, 1); |