//   hv1t := hv1
		//   hv2 := rune(ha[hv1])
		//   if hv2 < utf8.RuneSelf {
		//      hv1++
		//   } else {
		//      hv2, hv1 = decoderune(ha, hv1)
		//   }
		//   v1, v2 = hv1t, hv2
		//   // original body
		// }

		// order.stmt arranged for a copy of the string variable.
		ha := a

		hv1 := typecheck.TempAt(base.Pos, ir.CurFunc, types.Types[types.TINT])

				err = p.fromPuny(p, u)
			}
			if err == nil {
				// This should be called on NonTransitional, according to the
				// spec, but that currently does not have any effect. Use the
				// original profile to preserve options.
				err = p.validateLabel(u)
			}
		} else if err == nil {
			err = p.validateLabel(label)
		}
	}
	if toASCII {
		for labels.reset(); !labels.done(); labels.next() {

//
//	actionID(binary)/buildID(main.a)/contentID(binary)
//
// Storing the buildID(main.a) in the middle lets the computations that care
// about the prefix or suffix halves ignore the middle and preserves the
// original build ID as a contiguous string.)
//
// During the build, when it's time to build main.a, the gofmt binary has the
// information needed to decide whether the eventual link would produce

	return nil
}

// collisionChecker finds case-insensitive name collisions and paths that
// are listed as both files and directories.
//
// The keys of this map are processed with strToFold. pathInfo has the original
// path for each folded path.
type collisionChecker map[string]pathInfo

type pathInfo struct {
	path  string
	isDir bool
}

func (cc collisionChecker) check(p string, isDir bool) error {

	// (see last comment in this function)
	sources := [...]string{
		"package p; type A interface{ A() }",
		"package p; type B interface{ B() }",
		"package p; type X interface{ A; B }",
	}

	// compute original file ASTs
	var orig [len(sources)]*ast.File
	for i, src := range sources {
		orig[i] = mustParse(fset, src)
	}

	// run the test for all order permutations of the incoming files

// a given hash.
func StoredHashIndex(level int, n int64) int64 {
	// Level L's n'th hash is written right after level L+1's 2n+1'th hash.
	// Work our way down to the level 0 ordering.
	// We'll add back the original level count at the end.
	for l := level; l > 0; l-- {
		n = 2*n + 1
	}

	// Level 0's n'th hash is written at n+n/2+n/4+... (eventually n/2ⁱ hits zero).
	i := int64(0)
	for ; n > 0; n >>= 1 {
		i += n

	if int(c.nextSlice) < len(c.regs) {
		w := c.config.NumParamRegs(t)
		c.nextSlice += Abi1RO(w)
	}
	return rc
}

// plus returns a register cursor offset from the original, without modifying the original.
func (c *registerCursor) plus(regWidth Abi1RO) registerCursor {
	rc := *c
	rc.nextSlice += regWidth
	return rc
}

// at returns the register cursor for component i of t, where the first

	Decl *ast.FuncDecl

	// methods
	// (for functions, these fields have the respective zero value)
	Recv  string // actual   receiver "T" or "*T" possibly followed by type parameters [P1, ..., Pn]
	Orig  string // original receiver "T" or "*T"
	Level int    // embedding level; 0 means not embedded

	// Examples is a sorted list of examples associated with this
	// function or method. Examples are extracted from _test.go files

// Closing l does not affect f, and closing f does not affect l.
//
// The returned os.File's file descriptor is different from the
// connection's. Attempting to change properties of the original
// using this duplicate may or may not have the desired effect.
func (l *UnixListener) File() (f *os.File, err error) {
	if !l.ok() {
		return nil, syscall.EINVAL
	}
	f, err = l.file()
	if err != nil {

	}

	c := hs.c
	m := new(newSessionTicketMsg)

	state := c.sessionState()
	state.secret = hs.masterSecret
	if hs.sessionState != nil {
		// If this is re-wrapping an old key, then keep
		// the original time it was created.
		state.createdAt = hs.sessionState.createdAt
	}
	if c.config.WrapSession != nil {
		var err error
		m.ticket, err = c.config.WrapSession(c.connectionStateLocked(), state)
		if err != nil {