Use of uninitialized value within @_ in lc at LWP/UserAgent.pm line 581.
Starting with Perl 5.12, the builtin lc() is now more strict about
checking for undef arguments. This particular bug was triggered by
the test suite when building WWW::Mechanize 1.62
Distro: libwww-perl-6.02.tar.gz
Perl: This is perl 5, version 12, subversion 1 (v5.12.1)
built for x86_64-linuxperl-5.12.1
OS: Linux lxcviby.cv.hp.com 2.6.9-78.0.17.ELsmp #1 SMP
Thu Mar 5 04:58:34 EST 2009 x86_64 x86_64 x86_64 GNU/Linux