$> perlcc -o out t20.pl
/usr/bin/perlcc: t20.pl did not compile, which can't happen:Starting compile
 Walking tree
 DateTime::Locale::Base saved (it is in DateTime::Locale::root's @ISA)
 DateTime::TimeZone saved (it is in DateTime::TimeZone::UTC's @ISA)
 DateTime::TimeZone::OffsetOnly saved (it is in DateTime::TimeZone::Floating's @ISA)
 DateTime saved (it is in DateTime::Infinite's @ISA)
 Prescan
 Saving methods
 Can't locate object method "IVX" via package "B::NV" at /usr/lib/perl5/5.8.8/i586-linux-thread-multi/B/C.pm line 650.
 CHECK failed--call queue aborted.