deadloop after LANG=C LANGUAGE=czech:slovak

[Stanislav Brabec]

>Submitter-Id:	net
>Originator:	Stanislav Brabec
>Organization:
  Stanislav Brabec
>
>Confidential:	no
>Synopsis:	deadloop after LANG=C LANGUAGE=czech:slovak
>Severity:	serious
>Priority:	medium
>Category:	libc
>Class:		sw-bug
>Release:	libc-2.1.91
>Environment:
LANG=czech
LANGUAGE=czech:slovak
Host type: i686-pc-linux-gnu
System: Linux utx 2.2.16 #4 Wed Jul 5 11:18:33 CEST 2000 i686 unknown
Architecture: i686

Addons: linuxthreads crypt
Build CFLAGS: -O69
Build CC: gcc
Compiler version: 2.95.2 19991024 (release)
Kernel headers: 2.2.16
Symbol versioning: yes
Build static: yes
Build shared: yes
Build pic-default: no
Build profile: no
Build omitfp: no
Build bounded: no
Build static-nss: no
Stdio: libio

>Description:
LANG=C LANGUAGE=czech:slovak is critical combination, if application
supports NLS and finds .mo files. In such case application hangs in
infinite loop of memory mapping operations.
LANG=czech LANGUAGE=czech:slovak works and LANG=C LANGUAGE=C also works.

>How-To-Repeat:
LANG=C LANGUAGE=czech:slovak date
(Expecting you have installed .mo files, if not, you can try another languages).

>Fix: