| // run | |
| // Copyright 2013 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. | |
| // Bug in method values: escape analysis was off. | |
| package main | |
| import "sync" | |
| var called = false | |
| type T struct { | |
| once sync.Once | |
| } | |
| func (t *T) M() { | |
| called = true | |
| } | |
| func main() { | |
| var t T | |
| t.once.Do(t.M) | |
| if !called { | |
| panic("not called") | |
| } | |
| } |