func golang.org/x/net/http/httpguts.PunycodeHostPort

2 uses

	golang.org/x/net/http/httpguts (current package)
		httplex.go#L329: func PunycodeHostPort(v string) (string, error) {

	golang.org/x/net/http2
		transport.go#L1843: 	host, err := httpguts.PunycodeHostPort(host)