Fresh CVS update bootstrap fails on FreeBSD 4.2

[Charles Randall <crandall at matchlogic dot com>]

I get an internal compiler trying to bootstrap a fresh CVS update using gcc
2.9.5.2 as the native compiler and a fresh install of bison 1.28. I've
appended the steps necessary to repeat the problem below.

-Charles

% uname -sr
FreeBSD 4.2-RELEASE
% gcc -v

Using builtin specs.
gcc version 2.95.2 19991024 (release)

% mkdir objdir
% cd objdir
% ../gcc/configure --prefix=/tmp/cfr/gcc -enable-languages=c++
...
% gmake bootstrap
...
./xgcc -B./ -B/tmp/cfr/gcc/i386-unknown-freebsd4.2/bin/ -isystem
/tmp/cfr/gcc/i386-unknown-freebsd4.2/include -O2   -DIN_GCC    -W -Wall
-Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -isystem ./include
-g1  -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -I. -I. -I../../gcc/gcc
-I../../gcc/gcc/. -I../../gcc/gcc/config -I../../gcc/gcc/../include
-DL_divdi3 -c ../../gcc/gcc/libgcc2.c -o libgcc/./_divdi3.o
../../gcc/gcc/libgcc2.c: In function `__divdi3':
../../gcc/gcc/libgcc2.c:747: Internal compiler error in
validate_replace_src, at recog.c:754
Please submit a full bug report, with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
gmake[3]: *** [libgcc/./_divdi3.o] Error 1
gmake[3]: Leaving directory `/logs/cfr/gcc/objdir/gcc'
gmake[2]: *** [libgcc.a] Error 2
gmake[2]: Leaving directory `/logs/cfr/gcc/objdir/gcc'
gmake[1]: *** [stage1_build] Error 2
gmake[1]: Leaving directory `/logs/cfr/gcc/objdir/gcc'
gmake: *** [bootstrap] Error 2