1// run
2
3// Copyright 2010 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
9func main() {
10	data := make(map[int]string, 1)
11	data[0] = "hello, "
12	data[0] += "world!"
13	if data[0] != "hello, world!" {
14		panic("BUG: " + data[0])
15	}
16}
17