| Shenghou Ma | 0d6a0d6 | 2015-03-11 12:07:50 -0400 | [diff] [blame] | 1 | // run |
| 2 | |
| 3 | // Copyright 2015 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 | |
| 7 | // Issue 10135: append a slice with zero-sized element used |
| 8 | // to always return a slice with the same data pointer as the |
| 9 | // old slice, even if it's nil, so this program used to panic |
| 10 | // with nil pointer dereference because after append, s is a |
| 11 | // slice with nil data pointer but non-zero len and cap. |
| 12 | |
| 13 | package main |
| 14 | |
| 15 | type empty struct{} |
| 16 | |
| 17 | func main() { |
| 18 | var s []empty |
| 19 | |
| 20 | s = append(s, empty{}) |
| 21 | |
| 22 | for _, v := range s { |
| 23 | _ = v |
| 24 | } |
| 25 | } |
