golang x1 代码
文件路径：/src/cmd/go/internal/imports/testdata/star/x1.go
/go:build blahblh && linux && !linux && windows && darwin
/ +build blahblh,linux,!linux,windows,darwin
package x
import "import4"
文件路径：/src/cmd/go/internal/imports/testdata/star/x1.go
/go:build blahblh && linux && !linux && windows && darwin
/ +build blahblh,linux,!linux,windows,darwin
package x
import "import4"