`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
: m_arr{}
{
    if constexpr (IsWideInteger<T>::value)
        _impl::wide_integer_from_wide_integer(*this, rhs);
    else
        _impl::wide_integer_from_bultin(*this, rhs);
}
template <size_t Bits, typename Signed>
template <typename T>
constexpr wide_integer<Bits, Signed>::wide_integer(std::initializer_list<T> il) noexcept