coredump when exiting urxvt

[Yakov Lerner]

I picked rxvt-unicode sources via cvs today and built it on Linux FC3
with defult './configure'.
When I press on "Close window" button, urxvt always coredumps:

(gdb) where
#0  0x001e0038 in _int_free () from /lib/tls/libc.so.6
#1  0x001e04ba in free () from /lib/tls/libc.so.6
#2  0x00d2506f in Perl_safesysfree () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#3  0x00cd86fb in perl_destruct () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#4  0x0809ef99 in __tcf_0 () at rxvtperl.xs:441
#5  0x001a95d7 in exit () from /lib/tls/libc.so.6
#6  0x00193e3d in __libc_start_main () from /lib/tls/libc.so.6
#7  0x0805ac91 in _start ()
(gdb)

Yakov