test262/test/language/expressions/async-generator/early-errors-expression-label-name-yield.js

// Copyright 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
author: Caitlin Potter <caitp@igalia.com>
esid: sec-identifiers-static-semantics-early-errors
description: >
  `yield` is a reserved keyword within async generator function bodies and may
  not be used as a label.
info: |
  BindingIdentifier : Identifier
  LabelIdentifier : Identifier

    It is a Syntax Error if this production has an [Await] parameter and
    StringValue of Identifier is "await".
negative:
  phase: parse
  type: SyntaxError
features: [async-iteration]
---*/

$DONOTEVALUATE();

(async function*() {
  yield: 1;
});