}
		blockMark[b.ID] = true
		if b.Func != f {
			f.Fatalf("%s.Func=%s, want %s", b, b.Func.Name, f.Name)
		}

		for i, e := range b.Preds {
			if se := e.b.Succs[e.i]; se.b != b || se.i != i {
				f.Fatalf("block pred/succ not crosslinked correctly %d:%s %d:%s", i, b, se.i, se.b)
			}
		}
		for i, e := range b.Succs {
			if pe := e.b.Preds[e.i]; pe.b != b || pe.i != i {

}

type structFields struct {
	list         []field
	byExactName  map[string]*field
	byFoldedName map[string]*field
}

func (se structEncoder) encode(e *encodeState, v reflect.Value, opts encOpts) {
	next := byte('{')
FieldLoop:
	for i := range se.fields.list {
		f := &se.fields.list[i]

		// Find the nested struct field by following f.index.
		fv := v
		for _, i := range f.index {

	panic(scanError{errors.New(err)})
}

func (s *ss) Token(skipSpace bool, f func(rune) bool) (tok []byte, err error) {
	defer func() {
		if e := recover(); e != nil {
			if se, ok := e.(scanError); ok {
				err = se.err
			} else {
				panic(e)
			}
		}
	}()
	if f == nil {
		f = notSpace
	}
	s.buf = s.buf[:0]
	tok = s.token(skipSpace, f)
	return
}

type SystemRootsError struct {
	Err error
}

func (se SystemRootsError) Error() string {
	msg := "x509: failed to load system roots and no roots provided"
	if se.Err != nil {
		return msg + "; " + se.Err.Error()
	}
	return msg
}

func (se SystemRootsError) Unwrap() error { return se.Err }

// errNotParsed is returned when a certificate without ASN.1 contents is

		}
		if err != nil {
			cc.vlogf("http2: Transport readFrame error on conn %p: (%T) %v", cc, err, err)
		}
		if se, ok := err.(http2StreamError); ok {
			if cs := rl.streamByID(se.StreamID); cs != nil {
				if se.Cause == nil {
					se.Cause = cc.fr.errDetail
				}
				rl.endStreamError(cs, se)
			}
			continue
		} else if err != nil {
			cc.countReadFrameError(err)
			return err
		}

	}
	if o != nil {
		jar.psList = o.PublicSuffixList
	}
	return jar, nil
}

// entry is the internal representation of a cookie.
//
// This struct type is not used outside of this package per se, but the exported
// fields are those of RFC 6265.
type entry struct {
	Name       string
	Value      string
	Quoted     bool
	Domain     string
	Path       string
	SameSite   string
	Secure     bool

	// under standard cryptographic assumptions (see [Larsson] for examples).
	//
	// [Coron]: https://cs.nyu.edu/~dodis/ps/merkle.pdf
	// [Larsson]: https://web.archive.org/web/20040719170906/https://www.nada.kth.se/kurser/kth/2D1441/semteo03/lecturenotes/assump.pdf

	// Get 256 bits of entropy from rand.
	entropy := make([]byte, 32)
	if _, err := io.ReadFull(rand, entropy); err != nil {
		return nil, err
	}

		return FormatError("total sampling factors too large")
	}

	// zigStart and zigEnd are the spectral selection bounds.
	// ah and al are the successive approximation high and low values.
	// The spec calls these values Ss, Se, Ah and Al.
	//
	// For progressive JPEGs, these are the two more-or-less independent
	// aspects of progression. Spectral selection progression is when not
	// all of a block's 64 DCT coefficients are transmitted in one pass.

		if testing.Short() && i < len(digits)-4 {
			break
		}
		for exp := -30; exp <= 30; exp++ {
			for _, sign := range "+-" {
				for bits := 32; bits <= 64; bits += 32 {
					s := fmt.Sprintf("%c%se%d", sign, digits[:i], exp)
					f, err := strconv.ParseFloat(s, bits)
					if err != nil {
						log.Fatal(err)
					}
					next := math.Nextafter
					if bits == 32 {

		if !stringCopy {
			panic(&ValueError{"reflect.Copy", sk})
		}
	}
	src.mustBeExported()

	de := dst.typ().Elem()
	if !stringCopy {
		se := src.typ().Elem()
		typesMustMatch("reflect.Copy", toType(de), toType(se))
	}

	var ds, ss unsafeheader.Slice
	if dk == Array {
		ds.Data = dst.ptr
		ds.Len = dst.Len()
		ds.Cap = ds.Len
	} else {