golang main 代码
文件路径：/test/fixedbugs/issue40252.dir/main.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
import "./a"
func main() {
defer func() {
if recover() == nil {
panic("expected nil pointer dereference")
}
}()
a.Call()
}