Leaks too on 5.8.5 and List::Util 1.14, so things seem to point in the general direction of the List::Util XS code...

C:\Projekte\Mailfetch>perl -MList::Util -le "print $List::Util::VERSIO
+N"
1.14

C:\Projekte\Mailfetch>perl -v

This is perl, v5.8.5 built for MSWin32-x86-multi-thread

Copyright 1987-2004, Larry Wall

Perl may be copied only under the terms of either the Artistic License
+ or the
GNU General Public License, which may be found in the Perl 5 source ki
+t.

Complete documentation for Perl, including FAQ lists, should be found 
+on
this system using `man perl' or `perldoc perl'.  If you have access to
+ the
Internet, point your browser at http://www.perl.com/, the Perl Home Pa
+ge.
[download]

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