Yes, but 'overrides' != 'repeats'.

From File::stat:

       This module's default exports override the core stat() and
       lstat() functions, replacing them with versions that
       return "File::stat" objects. 
...
       You may also import all the structure fields directly into
       your namespace as regular variables using the :FIELDS
       import tag.  (Note that this still overrides your stat()
       and lstat() functions.)
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and from stat:

       stat    Returns a 13-element list giving the status info
               for a file, either the file opened via FILEHANDLE,
               or named by EXPR.
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I think the key word there is 'replace'. Nowhere in File::stat does it say that it returns a 13 element list indentical to stat.

You'll also want to familiarise yourself with the C library stat() function, since that is from where the field names are drawn.