golang issue13587 代码
文件路径：/test/fixedbugs/issue13587.go
/ errorcheck -0 -l -d=wb
/ Copyright 2015 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.
/ Test write barrier for implicit assignments to result parameters
/ that have escaped to the heap.
package issue13587
import "errors"
func escape(p *error)
func F() (err error) {
escape(&err)
return errors.New("error") / ERROR "write barrier"
}