// complications with instrumentation (coverage, etc).
func mapinitnoop()

// mapclone for implementing maps.Clone
//
//go:linkname mapclone maps.clone
func mapclone(m any) any {
	e := efaceOf(&m)
	e.data = unsafe.Pointer(mapclone2((*maptype)(unsafe.Pointer(e._type)), (*hmap)(e.data)))
	return m
}

// If ep points to the stack, only static live information will be returned
// (i.e. not for objects which are only dynamically live stack objects).
func getgcmask(ep any) (mask []byte) {
	e := *efaceOf(&ep)
	p := e.data
	t := e._type

	var et *_type
	if t.Kind_&abi.KindMask != abi.Pointer {
		throw("bad argument to getgcmask: expected type to be a pointer to the value type whose mask is being queried")