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Current File : //usr/local/go/test/fixedbugs/issue36516.go

// +build cgo,linux,amd64
// run -race

// Copyright 2020 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 (
	"fmt"
	"testing"
	"unsafe"
)

var buf [2]byte
var x unsafe.Pointer = unsafe.Pointer(&buf[0])

func main() {
	n := testing.AllocsPerRun(1000, func() {
		x = unsafe.Pointer(uintptr(x) + 1)
		x = unsafe.Pointer(uintptr(x) - 1)
	})
	if n > 0 {
		panic(fmt.Sprintf("too many allocations; want 0 got %f", n))
	}
}

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