golang bug513 代码
文件路径：/test/fixedbugs/bug513.go
/ run -race -gcflags=all=-d=checkptr=0
/ +build linux,amd64 linux,ppc64le darwin,amd64 freebsd,amd64 netbsd,amd64 windows,amd64
/ +build cgo
/ 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.
/ Although -race turns on -d=checkptr, the explicit -d=checkptr=0
/ should override it.
package main
import "unsafe"
var v1 = new([2]int16)
var v2 *[3]int64
func main() {
v2 = (*[3]int64)(unsafe.Pointer(uintptr(unsafe.Pointer(&(*v1)[0]))))
}