}

func writeFieldList(buf *bytes.Buffer, list []*ast.Field, sep string, iface bool) {
	for i, f := range list {
		if i > 0 {
			buf.WriteString(sep)
		}

		// field list names
		writeIdentList(buf, f.Names)

		// types of interface methods consist of signatures only
		if sig, _ := f.Type.(*ast.FuncType); sig != nil && iface {
			writeSigExpr(buf, sig)
			continue
		}

	var fail bool
	for i, test := range efaces {
		s := fmt.Sprintf("%[1]T %[1]v", test.x)
		if s != test.s {
			fmt.Printf("eface(%d)=%q want %q\n", i, s, test.s)
			fail = true
		}
	}

	for i, test := range ifaces {
		s := fmt.Sprintf("%[1]T %#[1]v %[1]s", test.x)
		if s != test.s {
			fmt.Printf("iface(%d)=%q want %q\n", i, s, test.s)
			fail = true
		}
	}

	if got := *(iptr.(*int)); got != 1 {

var m map[string]int
var mi map[interface{}]int

// str and iface are used to ensure that a temp is required for runtime calls below.
func str() string
func iface() interface{}

func f16() {
	if b {
		delete(mi, iface()) // ERROR "stack object .autotmp_[0-9]+ interface \{\}$"
	}
	delete(mi, iface())
	delete(mi, iface())
}

var m2s map[string]*byte
var m2 map[[2]string]*byte

`
const noInternetConnection = `Iface	Destination	Gateway 	Flags	RefCnt	Use	Metric	Mask		MTU	Window	IRTT                                                       
docker0	000011AC	00000000	0001	0	0	0	0000FFFF	0	0	0                                                                            
virbr0	007AA8C0	00000000	0001	0	0	0	00FFFFFF	0	0	0            
`

		# chop at first space.
		pc = int(str(pc).split(None, 1)[0], 16)
	return pc


#
#  For reference, this is what we're trying to do:
#  eface: p *(*(struct 'runtime.rtype'*)'main.e'->type_->data)->string
#  iface: p *(*(struct 'runtime.rtype'*)'main.s'->tab->Type->data)->string
#
# interface types can't be recognized by their name, instead we check

	return *(*string)(p) == *(*string)(q)
}
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 level > 10 {
		t.Errorf("%s: embeds itself", named)
		return
	}

	iface, _ := named.Underlying().(*types.Interface)
	if iface == nil {
		return // not an interface
	}

	// check explicitly declared methods
	for i := 0; i < iface.NumExplicitMethods(); i++ {
		m := iface.ExplicitMethod(i)
		recv := m.Type().(*types.Signature).Recv()
		if recv == nil {

		}
		init.Append(Stmt(as))

		// For "go/defer iface.M()", if iface is nil, we need to panic at
		// the point of the go/defer statement.
		if call.Op() == ir.OCALLINTER {
			iface := as.Lhs[0]
			init.Append(Stmt(ir.NewUnaryExpr(stmtPos, ir.OCHECKNIL, ir.NewUnaryExpr(iface.Pos(), ir.OITAB, iface))))
		}
	}

	// Move call into the wrapper function, now that it's safe to

	if err != nil {
		klog.Warningf("failed to get iscsi mounter: %v", err)
		return "", err
	}
	if mounter.InitiatorName != "" {
		// new iface name is <target portal>:<volume name>
		mounter.Iface = mounter.Portals[0] + ":" + mounter.VolName
	}
	return attacher.manager.MakeGlobalPDName(*mounter.iscsiDisk), nil
}

}

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.
	// The buggy code hangs forever, so use a timeout to check for that.
	globalSkip(t)