golang b 代码
文件路径：/test/fixedbugs/issue16616.dir/b.go
/ Copyright 2016 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 b
import "./a"
var V struct{ i int }
var U struct {
a.V
j int
}