**Describe the bug**
https://clickhouse-test-reports.s3.yandex.net/19702/c74631c650b42e4d107254a03bd82c2c2913039b/fuzzer_msan/server.log

Most likely introduced here: #11006
result.num_rows = column->size();
                    break;
                }
            }
            /// 
            if (!has_column)
                result.num_rows = result.countBytesInResultFilter(result_filter->getData());
        }
        /// 
        if (!result.columns.empty())
        {
            if (prewhere->remove_prewhere_column)
                result.columns.erase(result.columns.begin() + prewhere_column_pos);
            else
                result.columns[prewhere_column_pos] =
                        getSampleBlock().getByName(prewhere->prewhere_column_name).type->
                                createColumnConst(result.num_rows, 1u)->convertToFullColumnIfConst();
        }
    }
    /// 
    else
    {
        result.columns[prewhere_column_pos] = result.getFilterHolder()->convertToFullColumnIfConst();
        if (getSampleBlock().getByName(prewhere->prewhere_column_name).type->isNullable())
            result.columns[prewhere_column_pos] = makeNullable(std::move(result.columns[prewhere_column_pos]));
        result.clearFilter(); // A
    }
}
}