Nelson Beebe reports:
(on CentOS 6 and 7 x86-64, as well as Fedora 27):
% clisp -L russian
i i i i i i i ooooo o ooooooo ooooo ooooo
I I I I I I I 8 8 8 8 8 o 8 8
I \ `+' / I 8 8 8 8 8 8
\ `-+-' / 8 8 8 ooooo 8oooo
`-__|__-' 8 8 8 8 8
| 8 o 8 8 o 8 8
------+------ ooooo 8oooooo ooo8ooo ooooo 8
*** - SYSTEM::DRIVER: Character #\u0414 cannot be represented in the character
set CHARSET:ASCII
*** - handle_fault error1 !
SIGSEGV ?? ??????? ?????????. ????????? ????? = 0x2fffffffff8.
GC count: 0
Space collected by GC: 0
Run time: 0 10530
Real time: 0 158065
GC time: 0 0
????????? ?????????: 165592 ??????.
???????????? ??????: 3588160 ??????.
????????? ??????: 825240 ??????.
Also on debian75: core dump
Also, on some other system, with a russian locale installed, the Russian test core dumped.