func() {
		defer assertDidPanic(t)
		runtime.CgoCheckPointer(p2, nil)
	}()
	pinner.Pin(p)
	runtime.CgoCheckPointer(p2, nil)
}

func TestPinnerCgoCheckInterface(t *testing.T) {
	var pinner runtime.Pinner
	defer pinner.Unpin()
	var ifc any
	var o obj
	ifc = &o
	p := &ifc
	assertCgoCheckPanics(t, p)
	pinner.Pin(&o)
	runtime.CgoCheckPointer(p, true)
}

import _ "unsafe"

// used in internal/godebug and syscall
//go:linkname write

// used by cgo
//go:linkname _cgo_panic_internal
//go:linkname cgoAlwaysFalse
//go:linkname cgoUse
//go:linkname cgoCheckPointer
//go:linkname cgoCheckResult
//go:linkname cgoNoCallback
//go:linkname gobytes
//go:linkname gostringn

// used in plugin
//go:linkname doInit

// used in math/bits
//go:linkname overflowError

// cgoCheckPointer will pin the pointer for the duration of the cgo
// call.  (This is necessary but not sufficient; the cgo program will
// also have to change to pin Go pointers that cannot point to Go
// pointers.)

// cgoCheckPointer checks if the argument contains a Go pointer that
// points to an unpinned Go pointer, and panics if it does.
func cgoCheckPointer(ptr any, arg any) {

// To do that, we call noescape (including via addr).
// We must also make sure that the data pointer arguments have the form unsafe.Pointer(&...)
// so that cgo does not annotate them with cgoCheckPointer calls. If it did that, it might look
// beyond the byte slice and find Go pointers in unprocessed parts of a larger allocation.
// To do both of these simultaneously, the idiom is unsafe.Pointer(&*addr(p)),

		support: `type S34 struct { a [8]byte; p *int; b int64; }`,
		body:    `s := &S34{p: new(int)}; C.f34(unsafe.Pointer(&s.a), 32, unsafe.Pointer(&s.b))`,
		fail:    false,
	},
	{
		// Test that second argument to cgoCheckPointer is
		// evaluated when a deferred function is deferred, not
		// when it is run.
		name:    "defer2",
		c:       `void f35(char **pc) {}`,
		support: `type S35a struct { s []*C.char }; type S35b struct { ps *S35a }`,

var PhysPageSize = physPageSize
var PhysHugePageSize = physHugePageSize

var NetpollGenericInit = netpollGenericInit

var Memmove = memmove
var MemclrNoHeapPointers = memclrNoHeapPointers

var CgoCheckPointer = cgoCheckPointer

const CrashStackImplemented = crashStackImplemented

const TracebackInnerFrames = tracebackInnerFrames
const TracebackOuterFrames = tracebackOuterFrames

var MapKeys = keys
var MapValues = values

	field _Ctype_int
}

type _Ctype_void [0]byte

//go:linkname _cgo_runtime_cgocall runtime.cgocall
func _cgo_runtime_cgocall(unsafe.Pointer, uintptr) int32

//go:linkname _cgoCheckPointer runtime.cgoCheckPointer
func _cgoCheckPointer(interface{}, interface{})

//go:linkname _cgoCheckResult runtime.cgoCheckResult
func _cgoCheckResult(interface{})
`

`

const goProlog = `
//go:linkname _cgo_runtime_cgocall runtime.cgocall
func _cgo_runtime_cgocall(unsafe.Pointer, uintptr) int32

//go:linkname _cgoCheckPointer runtime.cgoCheckPointer
//go:noescape
func _cgoCheckPointer(interface{}, interface{})

//go:linkname _cgoCheckResult runtime.cgoCheckResult
//go:noescape
func _cgoCheckResult(interface{})
`

	field _Ctype_int
}

type _Ctype_void [0]byte

//go:linkname _cgo_runtime_cgocall runtime.cgocall
func _cgo_runtime_cgocall(unsafe.Pointer, uintptr) int32

//go:linkname _cgoCheckPointer runtime.cgoCheckPointer
func _cgoCheckPointer(interface{}, interface{})

//go:linkname _cgoCheckResult runtime.cgoCheckResult
func _cgoCheckResult(interface{})
`