golang bug339 代码
文件路径：/test/fixedbugs/bug339.go
/ run
/ Copyright 2011 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.
/ Issue 1608.
/ Size used to be -1000000000.
package main
import "unsafe"
func main() {
var a interface{} = 0
size := unsafe.Sizeof(a)
if size != 2*unsafe.Sizeof((*int)(nil)) {
println("wrong size: ", size)
}
}