**Describe the bug**

```
    /// We count all hour-length intervals, unrelated to offset changes.
    inline time_t toRelativeHourNum(time_t t) const
    {
        if (t >= 0 && offset_is_whole_number_of_hours_during_epoch)
            return t / 3600;

        /// Assume that if offset was fractional, then the fraction is the same as at the beginning of epoch.
        /// NOTE This assumption is false for "Pacific/Pitcairn" and "Pacific/Kiritimati" time zones.
        return (t + DATE_LUT_ADD + 86400 - offset_at_start_of_epoch) / 3600 - (DATE_LUT_ADD / 3600);
    }

    template <typename DateOrTime>
    inline time_t toRelativeHourNum(DateOrTime v) const
    {
        return toRelativeHourNum(lut[toLUTIndex(v)].date);
    }

```
the code snippet is in DateLUTImpl.h 

lut[toLUTIndex(v)].date is Int64.
below is type define in mac OS.
```
typedef long long               int64_t;
typedef __darwin_time_t         time_t;
typedef long                    __darwin_time_t; 
```

function overload will cause  infinite loop

**Does it reproduce on recent release?**

It's a portability issue


**How to reproduce**

execute SQL on clickhouse which build on macOS

select toRelativeHourNum(toDate('2020-10-01'));



{
private:
    friend class DateLUT;
    explicit DateLUTImpl(const std::string & time_zone);
    DateLUTImpl(const DateLUTImpl &) = delete;
    DateLUTImpl & operator=(const DateLUTImpl &) = delete;
    DateLUTImpl(const DateLUTImpl &&) = delete;
    DateLUTImpl & operator=(const DateLUTImpl &&) = delete;
    
    
    
    STRONG_TYPEDEF(UInt32, LUTIndex)
    template <typename T>
    friend inline LUTIndex operator+(const LUTIndex & index, const T v)
    {
        return LUTIndex{(index.toUnderType() + UInt32(v)) & date_lut_mask};
    }
    template <typename T>
    friend inline LUTIndex operator+(const T v, const LUTIndex & index)
    {
        return LUTIndex{(v + index.toUnderType()) & date_lut_mask};
    }
    friend inline LUTIndex operator+(const LUTIndex & index, const LUTIndex & v)
    {
        return LUTIndex{(index.toUnderType() + v.toUnderType()) & date_lut_mask};
    }
    template <typename T>
    friend inline LUTIndex operator-(const LUTIndex & index, const T v)