1// compile
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
9func f(a int64) int64 {
10	const b int64 = 0;
11	n := a &^ b;
12	return n;
13}
14
15func main() {
16	f(1)
17}
18
19/*
20bug156.go:7: constant 18446744073709551615 overflows int64
21*/
22