// 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.
package main
type S []S
func main() {
var s S
s = append(s, s) // append a nil value to s
if s[0] != nil {
println("BUG: s[0] != nil")
}
}