golang buildtag4 代码
文件路径：/src/cmd/vet/testdata/buildtag/buildtag4.go
/ Copyright 2020 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.
/ This file contains tests for the buildtag checker.
/go:build !(bad || worse)
/ +build !bad
/ +build !worse
package testdata