golang a 代码
文件路径：/test/fixedbugs/bug479.dir/a.go
/ 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.
package p
import "unsafe"
type S2 struct {}
const C = unsafe.Sizeof(S2{})
type S1 struct {
S2
}