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go/test/fixedbugs/bug513.go
Ian Lance Taylor 87a3ac5f53 cmd/compile: don't let -race override explicit -d=checkptr=0
Change-Id: Icfa204761045b72a8ea173fd55eddf1f0e58d819
Reviewed-on: https://go-review.googlesource.com/c/go/+/304253
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2021-03-23 23:09:33 +00:00

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// run -race -gcflags=all=-d=checkptr=0
// +build linux,amd64 linux,ppc64le darwin,amd64 freebsd,amd64 netbsd,amd64 windows,amd64
// 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]))))
}