1// run -race -gcflags=all=-d=checkptr=0
2
3//go:build ((linux && amd64) || (linux && ppc64le) || (darwin && amd64) || (freebsd && amd64) || (netbsd && amd64) || (windows && amd64)) && cgo
4
5// Copyright 2021 The Go Authors. All rights reserved.
6// Use of this source code is governed by a BSD-style
7// license that can be found in the LICENSE file.
8
9// Although -race turns on -d=checkptr, the explicit -d=checkptr=0
10// should override it.
11
12package main
13
14import "unsafe"
15
16var v1 = new([2]int16)
17var v2 *[3]int64
18
19func main() {
20	v2 = (*[3]int64)(unsafe.Pointer(uintptr(unsafe.Pointer(&(*v1)[0]))))
21}
22