func mapiter1(m map[string]string) *reflect.MapIter { // ERROR "leaking param: m$"
	mv := reflect.ValueOf(m)
	return mv.MapRange()
}

func mapiter2(m map[string]string) string { // ERROR "leaking param: m$"
	mv := reflect.ValueOf(m)
	it := mv.MapRange()
	if it.Next() {
		return it.Key().String()
	}
	return ""
}

func mapiter3(m map[string]string, it *reflect.MapIter) { // ERROR "leaking param: m$" "it does not escape"

// splitAddrPort splits s into an IP address string and a port
// string. It splits strings shaped like "foo:bar" or "[foo]:bar",
// without further validating the substrings. v6 indicates whether the
// ip string should parse as an IPv6 address or an IPv4 address, in
// order for s to be a valid ip:port string.
func splitAddrPort(s string) (ip, port string, v6 bool, err error) {
	i := bytealg.LastIndexByteString(s, ':')

Laura Kassovic <******@****.***> 1701107622 -0800

Laura Kassovic <******@****.***> 1701107622 -0800

					if e, ok := v.Exprs[0].(Expr); ok {
						sql := strings.ToUpper(e.SQL)
						wrapInParentheses = strings.Contains(sql, AndWithSpace) || strings.Contains(sql, OrWithSpace)
					}
				}
			case AndConditions:
				if len(v.Exprs) == 1 {
					if e, ok := v.Exprs[0].(Expr); ok {
						sql := strings.ToUpper(e.SQL)
						wrapInParentheses = strings.Contains(sql, AndWithSpace) || strings.Contains(sql, OrWithSpace)
					}
				}
			case Expr:

			// incorrectly flag "comments" inside multiline
			// string constants or anything else (this might
			// not even be a Go program). So stop.
			break
		}
	}
}

func (check *checker) comment(pos token.Pos, text string) {
	if strings.HasPrefix(text, "//") {
		if strings.Contains(text, "+build") {
			check.plusBuildLine(pos, text)
		}
		if strings.Contains(text, "//go:build") {
			check.goBuildLine(pos, text)

func parseCredentialHeader(credElement string, region string, stype serviceType) (ch credentialHeader, aec APIErrorCode) {
	creds := strings.SplitN(strings.TrimSpace(credElement), "=", 2)
	if len(creds) != 2 {
		return ch, ErrMissingFields
	}
	if creds[0] != "Credential" {
		return ch, ErrMissingCredTag
	}
	credElements := strings.Split(strings.TrimSpace(creds[1]), SlashSeparator)

		if 'A' <= r && r <= 'Z' {
			r += 'a' - 'A'
		}
		b.WriteRune(r)
	}
	return b.String()
}

// FoldDup reports a pair of strings from the list that are
// equal according to strings.EqualFold.
// It returns "", "" if there are no such strings.
func FoldDup(list []string) (string, string) {
	clash := map[string]string{}
	for _, s := range list {
		fold := ToFold(s)
		if t := clash[fold]; t != "" {
			if s > t {

type execTestCase struct {
	args     []string
	revision string
	noIstiod bool

	// Typically use one of the three
	expectedOutput string // Expected constant output
	expectedString string // String output is expected to contain

	wantException bool
}

func TestProxyStatus(t *testing.T) {
	cases := []execTestCase{
		{ // case 0, with no Isitod instance
			args:           []string{},
			noIstiod:       true,

		}
	}
	return nil
}

func checkArguments(fields []string) error {
	for _, arg := range fields[1:] {
		for _, elem := range strings.Split(arg, ",") {
			if strings.HasPrefix(elem, "!!") {
				return fmt.Errorf("invalid double negative in build constraint: %s", arg)
			}
			elem = strings.TrimPrefix(elem, "!")
			for _, c := range elem {