}
}

func BenchmarkBitset(b *testing.B) {
	z := new(Int)
	z.SetBit(z, 512, 1)
	b.ResetTimer()
	for i := b.N - 1; i >= 0; i-- {
		z.SetBit(z, i&512, 1)
	}
}

func BenchmarkBitsetNeg(b *testing.B) {
	z := NewInt(-1)
	z.SetBit(z, 512, 0)
	b.ResetTimer()
	for i := b.N - 1; i >= 0; i-- {
		z.SetBit(z, i&512, 0)
	}
}

func BenchmarkBitsetOrig(b *testing.B) {

		for i, v := range check.Args {
			if v != end {
				continue
			}

			check.SetArg(i, start)
			goto replacedEnd
		}
		panic(fmt.Sprintf("unreachable, ind: %v, start: %v, end: %v", ind, start, end))
	replacedEnd:

		for i, v := range ind.Args {
			if v != start {
				continue
			}

			ind.SetArg(i, end)
			goto replacedStart
		}

// and os.Stderr.
func (t *tester) dirCmd(dir string, cmdline ...interface{}) *exec.Cmd {
	bin, args := flattenCmdline(cmdline)
	cmd := exec.Command(bin, args...)
	if filepath.IsAbs(dir) {
		setDir(cmd, dir)
	} else {
		setDir(cmd, filepath.Join(goroot, dir))
	}
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr
	if vflag > 1 {
		errprintf("%s\n", strings.Join(cmd.Args, " "))
	}
	return cmd
}

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

func Setgid(gid int) (err error) {
	_, _, e1 := syscall_rawSyscall(libc_setgid_trampoline_addr, uintptr(gid), 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_setgid_trampoline_addr uintptr

//go:cgo_import_dynamic libc_setgid setgid "libc.so"

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

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

func Setgid(gid int) (err error) {
	_, _, e1 := syscall_rawSyscall(libc_setgid_trampoline_addr, uintptr(gid), 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_setgid_trampoline_addr uintptr

//go:cgo_import_dynamic libc_setgid setgid "libc.so"

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

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

func Setgid(gid int) (err error) {
	_, _, e1 := syscall_rawSyscall(libc_setgid_trampoline_addr, uintptr(gid), 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_setgid_trampoline_addr uintptr

//go:cgo_import_dynamic libc_setgid setgid "libc.so"

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

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

func Setgid(gid int) (err error) {
	_, _, e1 := syscall_rawSyscall(libc_setgid_trampoline_addr, uintptr(gid), 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_setgid_trampoline_addr uintptr

//go:cgo_import_dynamic libc_setgid setgid "libc.so"

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

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

func Setgid(gid int) (err error) {
	_, _, e1 := syscall_rawSyscall(libc_setgid_trampoline_addr, uintptr(gid), 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_setgid_trampoline_addr uintptr

//go:cgo_import_dynamic libc_setgid setgid "libc.so"

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

	if err != 0 {
		return 0, err
	}
	return int(ret), nil
}

func Setuid(uid int) (err error) {
	return syscall.Setuid(uid)
}

func Setgid(gid int) (err error) {
	return syscall.Setgid(gid)
}

func Setreuid(ruid, euid int) (err error) {
	return syscall.Setreuid(ruid, euid)
}

 * can be changed (See <a href="../../../resolver.html">Setting Name
 * Resolution Properties</a>). The servername and path components are
 * not case sensitive but the domain, username, and password components
 * are. It is also likely that properties must be specified for jcifs
 * to function (See <a href="../../overview-summary.html#scp">Setting
 * JCIFS Properties</a>). Here are some examples of SMB URLs with brief