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// run
// Copyright 2022 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.
//go:build cgo
package main
import (
"log"
"runtime/cgo"
"unsafe"
)
type S struct{ _ cgo.Incomplete }
func main() {
p := (*S)(unsafe.Pointer(uintptr(0x8000)))
var v any = p
p2 := v.(*S)
if p != p2 {
log.Fatalf("%p != %p", unsafe.Pointer(p), unsafe.Pointer(p2))
}
p2 = typeAssert[*S](v)
if p != p2 {
log.Fatalf("%p != %p from typeAssert", unsafe.Pointer(p), unsafe.Pointer(p2))
}
}
func typeAssert[T any](v any) T {
return v.(T)
}