**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``.

{
    ReadBufferFromMemory in(pos, end - pos);
    tryReadIntText<check_overflow>(x, in);
    return pos + in.count();
}
template <typename T>
inline T parse(const char * data, size_t size)
{
    T res;
    ReadBufferFromMemory buf(data, size);
    readText(res, buf);
    return res;
}
template <typename T>
inline bool tryParse(T & res, const char * data, size_t size)
{
    ReadBufferFromMemory buf(data, size);
    return tryReadText(res, buf);
}
template <typename T>
inline void readTextWithSizeSuffix(T & x, ReadBuffer & buf) { readText(x, buf); }