var go/build.bSlashSlash

3 uses

	go/build (current package)
		build.go#L1478: 	bSlashSlash = []byte(slashSlash)
		build.go#L1550: 			if !bytes.HasPrefix(line, bSlashSlash) || !bytes.Contains(line, bPlusBuild) {
		build.go#L1619: 			if bytes.HasPrefix(line, bSlashSlash) {