| // run | |
| // Copyright 2009 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| package main | |
| type S struct { | |
| a []int | |
| } | |
| var s = &S{make([]int, 10)} | |
| func main() { | |
| s.a[f()] = 1 // 6g used to call f twice here | |
| } | |
| var n int | |
| func f() int { | |
| if n++; n > 1 { | |
| println("f twice") | |
| panic("fail") | |
| } | |
| return 0 | |
| } |