blob: af7bb92b58a7989b7a10733d42e5b77cfd6fe14f [file] [log] [blame]
Russ Cox399dcc72013-02-04 00:21:44 -05001// run
2
Emmanuel Odeke53fd5222016-04-10 14:32:26 -07003// Copyright 2013 The Go Authors. All rights reserved.
Russ Cox399dcc72013-02-04 00:21:44 -05004// 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(xi, yi interface{}) uint64 {
10 x, y := xi.(uint64), yi.(uint64)
11 return x &^ y
12}
13
14func G(xi, yi interface{}) uint64 {
15 return xi.(uint64) &^ yi.(uint64) // generates incorrect code
16}
17
18func main() {
19 var x, y uint64 = 0, 1 << 63
20 f := F(x, y)
21 g := G(x, y)
22 if f != 0 || g != 0 {
23 println("F", f, "G", g)
24 panic("bad")
25 }
26}