**Describe the bug**

-2147483648 is the minimum integer representable with Int32, but ``toInt32OrNull('-2147483648')`` returns ``NULL``. On the other hand ``toInt32('-2147483648')`` correctly returns ``-2147483648``.

**Does it reproduce on recent release?**

Yes. It happens on 21.7.5.29-stable

**How to reproduce**

```
SELECT
    toInt32('-2147483648'),
    toInt32OrNull('-2147483648')

Query id: 94f4e069-6c0e-44d9-8e94-7ee83b90a529

┌─toInt32('-2147483648')─┬─toInt32OrNull('-2147483648')─┐
│            -2147483648 │                         ᴺᵁᴸᴸ │
└────────────────────────┴──────────────────────────────┘
```

**Expected behavior**

``toInt32('-2147483648')`` and ``toInt32OrNull('-2147483648')`` should both return ``-2147483648``.

{
    
    if (!buf.eof() && buf.position() + 10 <= buf.buffer().end())
    {
        char * pos = buf.position();
        
        
        
        
        
        UInt16 year = (pos[0] - '0') * 1000 + (pos[1] - '0') * 100 + (pos[2] - '0') * 10 + (pos[3] - '0');
        pos += 5;
        if (isNumericASCII(pos[-1]))
            return ReturnType(false);
        UInt8 month = pos[0] - '0';
        if (isNumericASCII(pos[1]))
        {
            month = month * 10 + pos[1] - '0';
            pos += 3;
        }
        else
            pos += 2;
        if (isNumericASCII(pos[-1]))