panic(phasePanicMsg)
		}
		n, err := d.convertNumber(string(item))
		if err != nil {
			d.saveError(err)
		}
		return n
	}
}

// getu4 decodes \uXXXX from the beginning of s, returning the hex value,
// or it returns -1.
func getu4(s []byte) rune {
	if len(s) < 6 || s[0] != '\\' || s[1] != 'u' {
		return -1
	}
	var r rune
	for _, c := range s[2:6] {
		switch {

		zheadersize = 30
		zheader     = 0x04034b50
	)

	buf := make([]byte, ztailsize)
	if err := preadn(fd, buf, -ztailsize); err != nil || get4(buf) != zecheader {
		return nil, errors.New("corrupt zip file " + zipfile)
	}
	n := get2(buf[10:])
	size := get4(buf[12:])
	off := get4(buf[16:])

	buf = make([]byte, size)
	if err := preadn(fd, buf, off); err != nil {
		return nil, errors.New("corrupt zip file " + zipfile)

		},
		{
			"direct method call panics",
			"{{.GetU}}", (*T)(nil),
			`template: t:1:2: executing "t" at <.GetU>: error calling GetU: runtime error: invalid memory address or nil pointer dereference`,
		},
		{
			"indirect method call panics",
			"{{call .GetU}}", (*T)(nil),
			`template: t:1:7: executing "t" at <.GetU>: error calling GetU: runtime error: invalid memory address or nil pointer dereference`,
		},

		},
		{
			"direct method call panics",
			"{{.GetU}}", (*T)(nil),
			`template: t:1:2: executing "t" at <.GetU>: error calling GetU: runtime error: invalid memory address or nil pointer dereference`,
		},
		{
			"indirect method call panics",
			"{{call .GetU}}", (*T)(nil),
			`template: t:1:7: executing "t" at <.GetU>: error calling GetU: runtime error: invalid memory address or nil pointer dereference`,
		},

	}

	// If no version suffix is specified, assume @upgrade.
	// If -u=patch was specified, assume @patch instead.
	version := rawVers
	if version == "" {
		if getU.version == "" {
			version = "upgrade"
		} else {
			version = getU.version
		}
	}

	q := &query{
		raw:            raw,
		rawVersion:     rawVers,
		pattern:        pattern,

	CmdGet.Run = runGet // break init loop
	CmdGet.Flag.Var(&getD, "d", "")
	CmdGet.Flag.Var(&getU, "u", "")
}

func runGet(ctx context.Context, cmd *base.Command, args []string) {
	switch getU.version {
	case "", "upgrade", "patch":
		// ok
	default:
		base.Fatalf("go: unknown upgrade flag -u=%s", getU.rawVersion)
	}
	if getD.set {
		if !getD.value {
			base.Fatalf("go: -d flag may not be set to false")