}
	newPath, newVersion, err := parsePathVersionOptional("new", new, true)
	if err != nil {
		base.Fatalf("go: -replace=%s: %v", arg, err)
	}
	if newPath == new && !modfile.IsDirectoryPath(new) {
		base.Fatalf("go: -replace=%s: unversioned new path must be local directory", arg)
	}

	workedits = append(workedits, func(f *modfile.WorkFile) {

func replacePrefix(s, old, new string) string {
	n := strings.Count(s, old)
	if n == 0 {
		return s
	}

	s = strings.ReplaceAll(s, " "+old, " "+new)
	s = strings.ReplaceAll(s, "\n"+old, "\n"+new)
	s = strings.ReplaceAll(s, "\n\t"+old, "\n\t"+new)
	if strings.HasPrefix(s, old) {
		s = new + s[len(old):]
	}
	return s
}

type cmdError struct {

	case *syntax.SliceType:
		typ := new(Slice)
		setDefType(def, typ)
		typ.elem = check.varType(e.Elem)
		return typ

	case *syntax.DotsType:
		// dots are handled explicitly where they are legal
		// (array composite literals and parameter lists)
		check.error(e, InvalidDotDotDot, "invalid use of '...'")
		check.use(e.Elem)

	case *syntax.StructType:
		typ := new(Struct)
		setDefType(def, typ)

	{name: "AtomicLoad64", argLength: 2, typ: "(UInt64,Mem)"},                                  // Load from arg0.  arg1=memory.  Returns loaded value and new memory.
	{name: "AtomicLoadPtr", argLength: 2, typ: "(BytePtr,Mem)"},                                // Load from arg0.  arg1=memory.  Returns loaded value and new memory.

func (s *LSym) NewFuncInfo() *FuncInfo {
	if s.Extra != nil {
		panic(fmt.Sprintf("invalid use of LSym - NewFuncInfo with Extra of type %T", *s.Extra))
	}
	f := new(FuncInfo)
	s.Extra = new(interface{})
	*s.Extra = f
	return f
}

// Func returns the *FuncInfo associated with s, or else nil.
func (s *LSym) Func() *FuncInfo {
	if s.Extra == nil {
		return nil
	}

			pprag := &typecheck.Target.CgoPragmas[i]
			cgoExports[symName] = append(cgoExports[symName], pprag)
		}
	}

	// Apply ABI defs and refs to Funcs and generate wrappers.
	//
	// This may generate new decls for the wrappers, but we
	// specifically *don't* want to visit those, lest we create
	// wrappers for wrappers.
	for _, fn := range typecheck.Target.Funcs {
		nam := fn.Nname
		if ir.IsBlank(nam) {
			continue

	resolved                     // resolve has run; methods might be incomplete (for instances)
	complete                     // all data is known
)

// NewNamed returns a new named type for the given type name, underlying type, and associated methods.
// If the given type name obj doesn't have a type yet, its type is set to the returned named type.
// The underlying type must not be a *Named.

// the resulting Type is an instantiated type of the same kind (*Alias, *Named
// or *Signature, respectively).
//
// Methods attached to a *Named type are also instantiated, and associated with
// a new *Func that has the same position as the original method, but nil function
// scope.
//
// If ctxt is non-nil, it may be used to de-duplicate the instance against

	// consts, vars, or functions, add dependencies to the current
	// check.decl.
	switch obj := obj.(type) {
	case *Const:
		check.decl = d // new package-level const decl
		check.constDecl(obj, d.vtyp, d.init, d.inherited)
	case *Var:
		check.decl = d // new package-level var decl
		check.varDecl(obj, d.lhs, d.vtyp, d.init)
	case *TypeName:
		// invalid recursive types are detected via path

	}
	return m.pkg(i)
}

// pkg returns the i'th IndexPackage in m.
func (m *Module) pkg(i int) *IndexPackage {
	r := m.d.readAt(m.pkgOff(i))
	p := new(IndexPackage)
	if errstr := r.string(); errstr != "" {
		p.error = errors.New(errstr)
	}
	p.dir = r.string()
	p.sourceFiles = make([]*sourceFile, r.int())
	for i := range p.sourceFiles {
		p.sourceFiles[i] = &sourceFile{
			d:   m.d,