golang plugin 代码
文件路径：/misc/cgo/testplugin/testdata/issue22295.pkg/plugin.go
/ Copyright 2017 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.
package main
var f *int
func init() {
f = new(int)
*f = 2503
}
func F() int { return *f }
func main() {}