case pkgbits.TypeTypeParam:
		return r.dict.tparams[r.Len()]

	case pkgbits.TypeArray:
		len := int64(r.Uint64())
		return types.NewArray(r.typ(), len)
	case pkgbits.TypeChan:
		dir := types.ChanDir(r.Len())
		return types.NewChan(dir, r.typ())
	case pkgbits.TypeMap:
		return types.NewMap(r.typ(), r.typ())
	case pkgbits.TypePointer:
		return types.NewPointer(r.typ())
	case pkgbits.TypeSignature:

// It panics if v's Kind is not [Chan] or
// v is a receive-only channel.
func (v Value) Close() {
	v.mustBe(Chan)
	v.mustBeExported()
	tt := (*chanType)(unsafe.Pointer(v.typ()))
	if ChanDir(tt.Dir)&SendDir == 0 {
		panic("reflect: close of receive-only channel")
	}

	chanclose(v.pointer())
}

// CanComplex reports whether [Value.Complex] can be used without panicking.

	if t == nil {
		n.SetType(nil)
		return n
	}
	if !t.IsChan() {
		base.Errorf("invalid operation: %v (receive from non-chan type %v)", n, t)
		n.SetType(nil)
		return n
	}

	if !t.ChanDir().CanRecv() {
		base.Errorf("invalid operation: %v (receive from send-only type %v)", n, t)
		n.SetType(nil)
		return n
	}

	n.SetType(t.Elem())
	return n
}

// tcSPtr typechecks an OSPTR node.

	t := l.Type()
	if t == nil {
		n.SetType(nil)
		return n
	}
	if !t.IsChan() {
		base.Errorf("invalid operation: %v (non-chan type %v)", n, t)
		n.SetType(nil)
		return n
	}

	if !t.ChanDir().CanSend() {
		base.Errorf("invalid operation: %v (cannot close receive-only channel)", n)
		n.SetType(nil)
		return n
	}
	return n
}

// tcComplex typechecks an OCOMPLEX node.

			break
		}
		om := fmtsort.Sort(val)
		for _, m := range om {
			oneIteration(m.Key, m.Value)
		}
		return
	case reflect.Chan:
		if val.IsNil() {
			break
		}
		if val.Type().ChanDir() == reflect.SendDir {
			s.errorf("range over send-only channel %v", val)
			break
		}
		i := 0
		for ; ; i++ {
			elem, ok := val.Recv()
			if !ok {
				break
			}

	checkSameType(t, ChanOf(SendDir, TypeOf(T1(1))), (chan<- T1)(nil))

	// check String form of ChanDir
	if crt.ChanDir().String() != "<-chan" {
		t.Errorf("chan dir: have %q, want %q", crt.ChanDir().String(), "<-chan")
	}
	if cst.ChanDir().String() != "chan<-" {
		t.Errorf("chan dir: have %q, want %q", cst.ChanDir().String(), "chan<-")
	}
}

func TestChanOfGC(t *testing.T) {
	done := make(chan bool, 1)

		{"CallExpr.Rparen", Field, 0},
		{"CaseClause", Type, 0},
		{"CaseClause.Body", Field, 0},
		{"CaseClause.Case", Field, 0},
		{"CaseClause.Colon", Field, 0},
		{"CaseClause.List", Field, 0},
		{"ChanDir", Type, 0},
		{"ChanType", Type, 0},
		{"ChanType.Arrow", Field, 1},
		{"ChanType.Begin", Field, 0},
		{"ChanType.Dir", Field, 0},
		{"ChanType.Value", Field, 0},
		{"CommClause", Type, 0},