func goosPrefersCgo() bool {
	switch runtime.GOOS {
	// Historically on Windows and Plan 9 we prefer the
	// cgo resolver (which doesn't use the cgo tool) rather than
	// the go resolver. This is because originally these
	// systems did not support the go resolver.
	// Keep it this way for better compatibility.
	// Perhaps we can revisit this some day.
	case "windows", "plan9":
		return true

func identicalOrigin(x, y *Named) bool {
	// TODO(gri) is this correct?
	return x.Origin().obj == y.Origin().obj
}

// identicalInstance reports if two type instantiations are identical.
// Instantiations are identical if their origin and type arguments are
// identical.
func identicalInstance(xorig Type, xargs []Type, yorig Type, yargs []Type) bool {

// templates. The actual representation is not copied, but the name space of
// associated templates is, so further calls to [Template.Parse] in the copy will add
// templates to the copy but not to the original. [Template.Clone] can be used to prepare
// common templates and use them with variant definitions for other templates
// by adding the variants after the clone is made.
//

// # CRYPTOGAMS licenses depending on where you obtain it. For further
// # details see http://www.openssl.org/~appro/cryptogams/.
// # ====================================================================

// Original code can be found at the link below:
// https://github.com/dot-asm/cryptogams/blob/master/ppc/aesp8-ppc.pl

// Some function names were changed to be consistent with Go function

// The output of String may vary across Go releases.
func (c *Cmd) String() string {
	if c.Err != nil || c.lookPathErr != nil {
		// failed to resolve path; report the original requested path (plus args)
		return strings.Join(c.Args, " ")
	}
	// report the exact executable path (plus args)
	b := new(strings.Builder)
	b.WriteString(c.Path)
	for _, a := range c.Args[1:] {

)

var errNilPtr = errors.New("destination pointer is nil") // embedded in descriptive error

func describeNamedValue(nv *driver.NamedValue) string {
	if len(nv.Name) == 0 {
		return fmt.Sprintf("$%d", nv.Ordinal)
	}
	return fmt.Sprintf("with name %q", nv.Name)
}

func validateNamedValueName(name string) error {
	if len(name) == 0 {
		return nil
	}
	r, _ := utf8.DecodeRuneInString(name)
	if unicode.IsLetter(r) {

			} else if fi.IsDir() {
				return nil, &fs.PathError{Op: "Stat", Path: filepath.Join(dir, name), Err: nonFileInOverlayError(to.actualFilePath)}
			}
			// Add a fileinfo for the overlaid file, so that it has
			// the original file's name, but the overlaid file's metadata.
			files[name] = fakeFile{name, fi}
		}
	}
	sortedFiles := diskfis[:0]
	for _, f := range files {
		sortedFiles = append(sortedFiles, f)
	}

}

func (v *Validator) getOrCreateThread(e *errAccumulator, ev trace.Event, m trace.ThreadID) *schedContext {
	lenient := func() bool {
		// Be lenient about GoUndetermined -> GoSyscall transitions if they
		// originate from an old trace. These transitions lack thread
		// information in trace formats older than 1.22.
		if !v.Go121 {
			return false
		}
		if ev.Kind() != trace.EventStateTransition {
			return false
		}

		h.Mode |= c_ISVTX
	}
	// If possible, populate additional fields from OS-specific
	// FileInfo fields.
	if sys, ok := fi.Sys().(*Header); ok {
		// This FileInfo came from a Header (not the OS). Use the
		// original Header to populate all remaining fields.
		h.Uid = sys.Uid
		h.Gid = sys.Gid
		h.Uname = sys.Uname
		h.Gname = sys.Gname
		h.AccessTime = sys.AccessTime
		h.ChangeTime = sys.ChangeTime
		if sys.Xattrs != nil {

				// Most such rewrites (for example the similar one for math.Sqrt) should be done in walk,
				// so that the ordering pass can make sure to preserve the semantics of the original code
				// (in particular, the exact time of the function call) by introducing temporaries.
				// In this case, we know getg() always returns the same result within a given function