`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
{
    writeCSVString<quote>(s.data(), s.data() + s.size(), buf);
}
template <char quote = '"'>
void writeCSVString(const StringRef & s, WriteBuffer & buf)
{
    writeCSVString<quote>(s.data, s.data + s.size, buf);
}
inline void writeXMLString(const char * begin, const char * end, WriteBuffer & buf)