`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
{
    writeChar('"', buf);
    for (const char * it = begin; it != end; ++it)
    {
        switch (*it)
        {
            case '\b':
                writeChar('\\', buf);
                writeChar('b', buf);
                break;
            case '\f':
                writeChar('\\', buf);
                writeChar('f', buf);
                break;
            case '\n':
                writeChar('\\', buf);
                writeChar('n', buf);