golang issue7884 代码
文件路径：/test/fixedbugs/issue7884.go
/ compile
/ Copyright 2014 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
import "fmt"
func main() {
var ii interface{} = 5
zz, err := ii.(interface{})
fmt.Println(zz, err)
}