// run -race -gcflags=all=-d=checkptr=0 //go:build ((linux && amd64) || (linux && ppc64le) || (darwin && amd64) || (freebsd && amd64) || (netbsd && amd64) || (windows && amd64)) && 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])))) }