// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package noresultvalues

func x() { return } // want `no result values expected|too many return values`

func y() { return } // want `no result values expected|too many return values`
