golang issue21221 代码
文件路径：/test/fixedbugs/issue21221.go
/ run
/ Copyright 2018 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 "unsafe"
func main() {
if unsafe.Pointer(uintptr(0)) != unsafe.Pointer(nil) {
panic("fail")
}
if (*int)(unsafe.Pointer(uintptr(0))) != (*int)(nil) {
panic("fail")
}
}