}
func interequal(p, q unsafe.Pointer) bool {
	x := *(*iface)(p)
	y := *(*iface)(q)
	return x.tab == y.tab && ifaceeq(x.tab, x.data, y.data)
}
func nilinterequal(p, q unsafe.Pointer) bool {
	x := *(*eface)(p)
	y := *(*eface)(q)
	return x._type == y._type && efaceeq(x._type, x.data, y.data)
}
func efaceeq(t *_type, x, y unsafe.Pointer) bool {
	if t == nil {
		return true
	}

func panicdottypeE(have, want, iface *byte)
func panicdottypeI(have, want, iface *byte)
func panicnildottype(want *byte)
func typeAssert(s *byte, typ *byte) *byte

// interface switches
func interfaceSwitch(s *byte, t *byte) (int, *byte)

// interface equality. Type/itab pointers are already known to be equal, so
// we only need to pass one.
func ifaceeq(tab *uintptr, x, y unsafe.Pointer) (ret bool)

	{"assertE2I2", funcTag, 67},
	{"panicdottypeE", funcTag, 68},
	{"panicdottypeI", funcTag, 68},
	{"panicnildottype", funcTag, 69},
	{"typeAssert", funcTag, 67},
	{"interfaceSwitch", funcTag, 70},
	{"ifaceeq", funcTag, 72},
	{"efaceeq", funcTag, 72},
	{"panicrangestate", funcTag, 73},
	{"deferrangefunc", funcTag, 74},
	{"rand32", funcTag, 75},
	{"makemap64", funcTag, 77},
	{"makemap", funcTag, 78},
	{"makemap_small", funcTag, 79},

//
//go:linkname reflect_ifaceE2I reflect.ifaceE2I
func reflect_ifaceE2I(inter *interfacetype, e eface, dst *iface) {
	*dst = iface{assertE2I(inter, e._type), e.data}
}

//go:linkname reflectlite_ifaceE2I internal/reflectlite.ifaceE2I
func reflectlite_ifaceE2I(inter *interfacetype, e eface, dst *iface) {
	*dst = iface{assertE2I(inter, e._type), e.data}
}

func iterate_itabs(fn func(*itab)) {

	// after we've called SetUnderlying everywhere.
	//
	// TODO(mdempsky): After CL 424876 lands, it should be safe to call
	// iface.Complete() immediately.
	r.p.ifaces = append(r.p.ifaces, iface)

	return iface
}

func (r *reader) signature(recv *types.Var, rtparams, tparams []*types.TypeParam) *types.Signature {
	r.Sync(pkgbits.SyncSignature)

	params := r.params()
	results := r.params()
	variadic := r.Bool()

		if !strings.HasPrefix(line, "iface.") || strings.Contains(line, "<empty>") {
			continue
		}
		iface := strings.Fields(line)
		if len(iface) != 3 || iface[1] != "=" {
			return nil, fmt.Errorf("error: invalid iface setting: %v", iface)
		}
		// iscsi_ifacename is immutable once the iface is created
		if iface[0] == "iface.iscsi_ifacename" {
			continue
		}
		params[iface[0]] = iface[2]
	}
	return params, nil

	globalSkip(t)
	run(t, "./host.exe")
}

func TestUniqueTypesAndItabs(t *testing.T) {
	globalSkip(t)
	goCmd(t, "build", "-buildmode=plugin", "./iface_a")
	goCmd(t, "build", "-buildmode=plugin", "./iface_b")
	goCmd(t, "build", "-o", "iface.exe", "./iface")
	run(t, "./iface.exe")
}

func TestIssue18676(t *testing.T) {
	// make sure we don't add the same itab twice.

}
func (k *EfaceKey) name() string {
	return "Eface"
}

type IfaceKey struct {
	i interface {
		F()
	}
}
type fInter uint64

func (x fInter) F() {
}

func (k *IfaceKey) clear() {
	k.i = nil
}
func (k *IfaceKey) random(r *rand.Rand) {
	k.i = fInter(r.Int63())
}
func (k *IfaceKey) bits() int {
	// use 64 bits. This tests inlined interfaces

	fakeIscsiadmOutput1 := "# BEGIN RECORD 2.0-873\n" +
		"iface.iscsi_ifacename = default\n" +
		"iface.transport_name = tcp\n" +
		"iface.initiatorname = <empty>\n" +
		"iface.mtu = 0\n" +
		"# END RECORD"

	fakeIscsiadmOutput2 := "# BEGIN RECORD 2.0-873\n" +
		"iface.iscsi_ifacename = default\n" +
		"iface.transport_name = cxgb4i\n" +
		"iface.initiatorname = <empty>\n" +
		"iface.mtu = 0\n" +
		"# END RECORD"

		embeddeds, ecopied := subst.typeList(t.embeddeds)
		if mcopied || ecopied {
			iface := subst.check.newInterface()
			iface.embeddeds = embeddeds
			iface.embedPos = t.embedPos
			iface.implicit = t.implicit
			assert(t.complete) // otherwise we are copying incomplete data
			iface.complete = t.complete
			// If we've changed the interface type, we may need to replace its