PVS-Studio warning V519 for MySQL

int ha_archive::info(uint flag)
{
  ...
  stats.max_data_file_length= share->rows_recorded *
                              stats.mean_rec_length;
  stats.max_data_file_length= MAX_FILE_SIZE;
  ...
}

This suspicious code was found in MySQL project by PVS-Studio static code analyzer.
Warning message is:
V519 The 'stats.max_data_file_length' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 1597, 1598. archive ha_archive.cc 1598

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