// Copyright 2016 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.
//
// Flags: --ignition-generators

function* f() { yield }

let g = f();
g.next();
g.throw(42);
