golang issue43109 代码
文件路径：/src/cmd/compile/internal/types2/testdata/fixedbugs/issue43109.go
/ Copyright 2022 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.
/ Ensure there is no "imported but not used" error
/ if a package wasn't imported in the first place.
package p
import . "/foo" / ERROR could not import \/foo