`SELECT bitShiftLeft(toInt256(-2), number)`

`shift left for negative lhsbers is underfined!`

See https://clickhouse-test-reports.s3.yandex.net/14525/44726c37c3003ec8112dbf32efa350bd595163b3/fuzzer/report.html#fail1
static constexpr bool value = std::is_signed_v<T>;
};
template <> struct is_signed<Int128> { static constexpr bool value = true; };
template <> struct is_signed<wInt256> { static constexpr bool value = true; };
template <typename T>
inline constexpr bool is_signed_v = is_signed<T>::value;
template <typename T>
struct is_unsigned
{
    static constexpr bool value = std::is_unsigned_v<T>;
};
template <> struct is_unsigned<wUInt256> { static constexpr bool value = true; };
template <typename T>
inline constexpr bool is_unsigned_v = is_unsigned<T>::value;
template <typename T>
struct is_integer
{
    static constexpr bool value = std::is_integral_v<T>;
};
template <> struct is_integer<Int128> { static constexpr bool value = true; };
template <> struct is_integer<wInt256> { static constexpr bool value = true; };
template <> struct is_integer<wUInt256> { static constexpr bool value = true; };
template <typename T>
inline constexpr bool is_integer_v = is_integer<T>::value;
template <typename T>
struct is_arithmetic
{
    static constexpr bool value = std::is_arithmetic_v<T>;
};
template <> struct is_arithmetic<__int128> { static constexpr bool value = true; };