fail:    false,
	},
	{
		name:    "slicedata",
		c:       `void f42(void* p) {}`,
		imports: []string{"unsafe"},
		body:    `s := []*byte{nil, new(byte)}; C.f42(unsafe.Pointer(unsafe.SliceData(s)))`,
		fail:    true,
	},
	{
		name:    "slicedata2",
		c:       `void f43(void* p) {}`,
		imports: []string{"unsafe"},

		}

	case embedFiles:
		slicedata := v.Sym().Pkg.Lookup(v.Sym().Name + `.files`).Linksym()
		off := 0
		// []files pointed at by Files
		off = objw.SymPtr(slicedata, off, slicedata, 3*types.PtrSize) // []file, pointing just past slice
		off = objw.Uintptr(slicedata, off, uint64(len(files)))
		off = objw.Uintptr(slicedata, off, uint64(len(files)))

		// embed/embed.go type file is:

import (
	"fmt"
	"reflect"
	"unsafe"
)

func main() {
	var s = []byte("abc")
	sh1 := *(*reflect.SliceHeader)(unsafe.Pointer(&s))
	ptr2 := unsafe.Pointer(unsafe.SliceData(s))
	if ptr2 != unsafe.Pointer(sh1.Data) {
		panic(fmt.Errorf("unsafe.SliceData %p != %p", ptr2, unsafe.Pointer(sh1.Data)))
	}

	_Alignof:    {"Alignof", 1, false, expression},
	_Offsetof:   {"Offsetof", 1, false, expression},
	_Sizeof:     {"Sizeof", 1, false, expression},
	_Slice:      {"Slice", 2, false, expression},
	_SliceData:  {"SliceData", 1, false, expression},
	_String:     {"String", 2, false, expression},
	_StringData: {"StringData", 1, false, expression},

	_Assert: {"assert", 1, false, statement},
	_Trace:  {"trace", 0, true, statement},

	_Alignof:    {"Alignof", 1, false, expression},
	_Offsetof:   {"Offsetof", 1, false, expression},
	_Sizeof:     {"Sizeof", 1, false, expression},
	_Slice:      {"Slice", 2, false, expression},
	_SliceData:  {"SliceData", 1, false, expression},
	_String:     {"String", 2, false, expression},
	_StringData: {"StringData", 1, false, expression},

	_Assert: {"assert", 1, false, statement},
	_Trace:  {"trace", 0, true, statement},

// license that can be found in the LICENSE file.

package issue64406

import (
	"unsafe"
)

func sliceData[E any, S ~[]E](s S) *E {
	return unsafe.SliceData(s)
}

func slice[E any, S ~*E](s S) []E {
	return unsafe.Slice(s, 0)
}

func f() {
	s := []uint32{0}
	_ = sliceData(s)
	_ = slice(&s)

		}

		change := &endpointsChange{}

		change.previous = cache.getEndpointsMap(serviceNN, esTracker.applied)

		for name, sliceData := range esTracker.pending {
			if sliceData.remove {
				delete(esTracker.applied, name)
			} else {
				esTracker.applied[name] = sliceData
			}

			delete(esTracker.pending, name)
		}

		change.current = cache.getEndpointsMap(serviceNN, esTracker.applied)

func ARC4Random(p []byte) {
	// macOS 11 and 12 abort if length is 0.
	if len(p) == 0 {
		return
	}
	syscall_syscall(abi.FuncPCABI0(libc_arc4random_buf_trampoline),
		uintptr(unsafe.Pointer(unsafe.SliceData(p))), uintptr(len(p)), 0)

	}

	// unsafe.StringData
	{
		var s = "string"
		assert(string(unsafe.Slice(unsafe.StringData(s), len(s))) == s)
	}

	//unsafe.SliceData
	{
		var s = []byte("slice")
		assert(unsafe.String(unsafe.SliceData(s), len(s)) == string(s))
	}
}

func assert(ok bool) {
	if !ok {
		panic("FAIL")
	}
}

func mustPanic(f func()) {
	defer func() {

func toString(b []byte) string {
	// unsafe.SliceData relies on cap whereas we want to rely on len
	if len(b) == 0 {
		return ""
	}
	// Copied from go 1.20.1 strings.Builder.String
	// https://github.com/golang/go/blob/202a1a57064127c3f19d96df57b9f9586145e21c/src/strings/builder.go#L48
	return unsafe.String(unsafe.SliceData(b), len(b))