iconv/loop.c - division by zero

[bemis]

gcc cp1258.c -c -O -Wall -Winline -Wstrict-prototypes -Wwrite-strings -g
-mieee  -fpic    -I
../include -I.
-I/mnt/u9/toolchain/buildsys/build/alpha9/basic-gcc_2.95.3/native/libc/iconvd

ata -I.. -I../libio
-I/mnt/u9/toolchain/buildsys/build/alpha9/basic-gcc_2.95.3/native/libc
-I../linuxthreads/sysdeps/alpha/elf -I../sysdeps/alpha/elf
-I../linuxthreads/sysdeps/unix/sy
sv/linux -I../linuxthreads/sysdeps/pthread -I../sysdeps/pthread
-I../linuxthreads/sysdeps/un
ix/sysv -I../linuxthreads/sysdeps/unix -I../linuxthreads/sysdeps/alpha
-I../sysdeps/unix/sys
v/linux/alpha -I../sysdeps/unix/sysv/linux -I../sysdeps/gnu
-I../sysdeps/unix/common -I../sy
sdeps/unix/mman -I../sysdeps/unix/inet -I../sysdeps/unix/sysv
-I../sysdeps/unix/alpha -I../s
ysdeps/unix -I../sysdeps/posix -I../sysdeps/alpha/fpu -I../sysdeps/alpha
-I../sysdeps/wordsi
ze-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/ieee754/dbl-64
-I../sysdeps/ieee754 -I../sysd
eps/generic/elf -I../sysdeps/generic   -D_LIBC_REENTRANT -include
../include/libc-symbols.h
 -DPIC -DSHARED    -o
/mnt/u9/toolchain/buildsys/build/alpha9/basic-gcc_2.95.3/native/libc/i
convdata/cp1258.os
In file included from cp1258.c:491:
../iconv/loop.c:300: division by zero in #if
../iconv/loop.c:300: division by zero in #if
In file included from cp1258.c:862:
../iconv/loop.c:300: division by zero in #if
../iconv/loop.c:300: division by zero in #if
make[2]: ***
[/mnt/u9/toolchain/buildsys/build/alpha9/basic-gcc_2.95.3/native/libc/iconvdata

/cp1258.os] Error 1
make[2]: Leaving directory
`/mnt/u9/toolchain/buildsys/source/libc/iconvdata'
make[1]: *** [iconvdata/others] Error 2
make[1]: Leaving directory `/mnt/u9/toolchain/buildsys/source/libc'
make: *** [all] Error 2