1// run
2
3// Copyright 2016 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7package main
8
9type S []S
10
11func main() {
12	var s S
13	s = append(s, s) // append a nil value to s
14	if s[0] != nil {
15		println("BUG: s[0] != nil")
16	}
17}
18