// run
// Copyright 2016 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.
// Gccgo got confused when a type was used both for a map bucket type
// and for a map key type.
package main
func main() {
_ = make(map[byte]byte)
_ = make(map[[8]byte]chan struct{})
}