golang main0 代码
文件路径：/src/go/types/testdata/check/main0.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.
package main
func main()
func /* ERROR "no arguments and no return values" */ main /* ERROR redeclared */ (int)
func /* ERROR "no arguments and no return values" */ main /* ERROR redeclared */ () int