golang importdecl1b 代码
文件路径：/src/cmd/compile/internal/types2/testdata/check/importdecl1/importdecl1b.go
// 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 importdecl1
import . /* ERROR .unsafe. imported but not used */ "unsafe"
type B interface {
A
}