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+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-asyncgenerator-prototype-next
+description: >
+  "return" returns a promise
+info: |
+  AsyncGenerator.prototype.return ( value )
+  1. Let generator be the this value.
+  2. Let completion be Completion{[[Type]]: return, [[Value]]: value,
+     [[Target]]: empty}.
+  3. Return ! AsyncGeneratorEnqueue(generator, completion).
+
+  AsyncGeneratorEnqueue ( generator, completion )
+  ...
+  2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
+  ...
+  9. Return promiseCapability.[[Promise]].
+
+includes: [propertyHelper.js]
+features: [async-iteration]
+---*/
+
+async function* g() {}
+var result = g().return()
+
+assert(result instanceof Promise)