Problem with send-email and readline.pm

Every time I try to use `git send-email`, I get a pile of errors inside readline.pm. Can someone figure out why this is happening? I do not get errors when I use cpan, which also uses readline.pm AFAIK.

$ git send-email 000*
0001-Use-perl-instead-of-tac.patch
0002-rebase-i-Use-in-expr-command-instead-of-match.patch
0003-Fix-t3404-assumption-that-wc-l-does-not-use-white.patch
substr outside of string at /Library/Perl/5.8.8/Term/ReadLine/ 
readline.pm line 1976.
Use of uninitialized value in length at /Library/Perl/5.8.8/Term/ 
ReadLine/readline.pm line 1785.
Use of uninitialized value in length at /Library/Perl/5.8.8/Term/ 
ReadLine/readline.pm line 1791.
Use of uninitialized value in substr at /Library/Perl/5.8.8/Term/ 
ReadLine/readline.pm line 1802.
Who should the emails appear to be from? [Brian Gernhardt <benji@silverinsanity.com 
 >] Use of uninitialized value in length at /Library/Perl/5.8.8/Term/ 
ReadLine/readline.pm line 2046.