1// build
2
3// Copyright 2009 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
9const a = 0
10
11func f() {
12	const a = 5
13}
14
15func main() {
16	if a != 0 {
17		println("a=", a)
18		panic("fail")
19	}
20}
21