**Describe the bug**
```
SELECT number % 100 AS k, sumArray(emptyArrayUInt8()) AS v FROM numbers(10) GROUP BY k
```
Fails under ASan.

AggregatedDataVariants & data_variants,
    bool final,
    size_t rows,
    Filler && filler) const
{
    MutableColumns key_columns(params.keys_size);
    MutableColumns aggregate_columns(params.aggregates_size);
    MutableColumns final_aggregate_columns(params.aggregates_size);