// compile
// Copyright 2016 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 "unsafe"
var x = unsafe.Pointer(uintptr(0))
func main() {
_ = map[unsafe.Pointer]int{unsafe.Pointer(uintptr(0)): 0}
}