src/third_party/v8/test/mjsunit/regress/regress-900085.js

// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

assertThrows(
    "async function f() { let v = 1; for await (var v of {}) { }",
    SyntaxError);