func (f *File) SetRequire(req []*Require) {
	type elem struct {
		version  string
		indirect bool
	}
	need := make(map[string]elem)
	for _, r := range req {
		if prev, dup := need[r.Mod.Path]; dup && prev.version != r.Mod.Version {
			panic(fmt.Errorf("SetRequire called with conflicting versions for path %s (%s and %s)", r.Mod.Path, prev.version, r.Mod.Version))
		}

//sys	Acct(path string) (err error)
//sys	Adjtimex(buf *Timex) (state int, err error)
//sys	Chdir(path string) (err error)
//sys	Chroot(path string) (err error)
//sys	Close(fd int) (err error)
//sys	Dup(oldfd int) (fd int, err error)
//sys	Dup3(oldfd int, newfd int, flags int) (err error)
//sysnb	EpollCreate1(flag int) (fd int, err error)
//sysnb	EpollCtl(epfd int, op int, fd int, event *EpollEvent) (err error)

github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2/go.mod h1:k9Qvh+8juN+UKMCS/3jFtGICgW8O96FVaZsaxdzDkR4=
github.com/golangci/dupl v0.0.0-20180902072040-3e9179ac440a h1:w8hkcTqaFpzKqonE9uMCefW1WDie15eSP/4MssdenaM=
github.com/golangci/dupl v0.0.0-20180902072040-3e9179ac440a/go.mod h1:ryS0uhF+x9jgbj/N71xsEqODy9BN81/GonCZiOzirOk=

	"ordf":     "\u00AA",
	"laquo":    "\u00AB",
	"not":      "\u00AC",
	"shy":      "\u00AD",
	"reg":      "\u00AE",
	"macr":     "\u00AF",
	"deg":      "\u00B0",
	"plusmn":   "\u00B1",
	"sup2":     "\u00B2",
	"sup3":     "\u00B3",
	"acute":    "\u00B4",
	"micro":    "\u00B5",
	"para":     "\u00B6",
	"middot":   "\u00B7",
	"cedil":    "\u00B8",
	"sup1":     "\u00B9",

							Ifn:  resolveReflectText(textOffFor(ft, m.Ifn)),
							Tfn:  resolveReflectText(textOffFor(ft, m.Tfn)),
						})

					}
				}
			}
		}
		if _, dup := fset[name]; dup && name != "_" {
			panic("reflect.StructOf: duplicate field " + name)
		}
		fset[name] = struct{}{}

		hash = fnv1(hash, byte(ft.Hash>>24), byte(ft.Hash>>16), byte(ft.Hash>>8), byte(ft.Hash))

	}

	// Sanity check. Enable if duplicates show up.
	if false {
		found := make(map[[16]byte]struct{})
		for _, ver := range merged {
			if _, ok := found[ver.header.VersionID]; ok {
				panic("found dupe")
			}
			found[ver.header.VersionID] = struct{}{}
		}
	}
	return merged
}

type xlMetaBuf []byte

// ToFileInfo converts xlMetaV2 into a common FileInfo datastructure

// it panics.
func Register(name string, driver driver.Driver) {
	driversMu.Lock()
	defer driversMu.Unlock()
	if driver == nil {
		panic("sql: Register driver is nil")
	}
	if _, dup := drivers[name]; dup {
		panic("sql: Register called twice for driver " + name)
	}
	drivers[name] = driver
}

func unregisterAllDrivers() {
	driversMu.Lock()
	defer driversMu.Unlock()
	// For tests.

	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Dup(oldfd int) (fd int, err error) {
	r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), 0, 0)
	fd = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Dup3(oldfd int, newfd int, flags int) (err error) {

	p.mu.Lock()
	for _, cc := range p.conns[key] {
		if cc.CanTakeNewRequest() {
			p.mu.Unlock()
			return false, nil
		}
	}
	call, dup := p.addConnCalls[key]
	if !dup {
		if p.addConnCalls == nil {
			p.addConnCalls = make(map[string]*http2addConnCall)
		}
		call = &http2addConnCall{
			p:    p,
			done: make(chan struct{}),
		}

				// delete marker, if not add a new version for this delete
				// marker.
				if versioned {
					vr.VersionID = mustGetUUID()
				}
			}
		}
		// De-dup same object name to collect multiple versions for same object.
		v, ok := versionsMap[objects[i].ObjectName]
		if ok {
			v.Versions = append(v.Versions, vr)
		} else {
			v = FileInfoVersions{