golang issue47185 代码
文件路径：/test/fixedbugs/issue47185.go
/ +build cgo
/ runindir
/ Copyright 2021 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.
/ Another test to verify compiler and linker handling of multiple
/ competing map.zero symbol definitions.
package ignored