Russ Cox | 399dcc7 | 2013-02-04 00:21:44 -0500 | [diff] [blame] | 1 | // run |
| 2 | |
Emmanuel Odeke | 53fd522 | 2016-04-10 14:32:26 -0700 | [diff] [blame] | 3 | // Copyright 2013 The Go Authors. All rights reserved. |
Russ Cox | 399dcc7 | 2013-02-04 00:21:44 -0500 | [diff] [blame] | 4 | // Use of this source code is governed by a BSD-style |
| 5 | // license that can be found in the LICENSE file. |
| 6 | |
| 7 | package main |
| 8 | |
| 9 | func F(xi, yi interface{}) uint64 { |
| 10 | x, y := xi.(uint64), yi.(uint64) |
| 11 | return x &^ y |
| 12 | } |
| 13 | |
| 14 | func G(xi, yi interface{}) uint64 { |
| 15 | return xi.(uint64) &^ yi.(uint64) // generates incorrect code |
| 16 | } |
| 17 | |
| 18 | func 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 | } |