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Description of problem:
I was trying to install Situs_2.2.1. While I was executing make all, I got the following:

gcc -I/usr/local/include -I../fftw -O3 -g -Wall -D_SMP_ -DMAX_NUM_THREADS=16 -c ./map2map.c
gcc -I/usr/local/include -I../fftw -O3 -g -Wall -D_SMP_ -DMAX_NUM_THREADS=16 -c ./lib_err.c
gcc -I/usr/local/include -I../fftw -O3 -g -Wall -D_SMP_ -DMAX_NUM_THREADS=16 -c ./lib_vio.c
gcc -I/usr/local/include -I../fftw -O3 -g -Wall -D_SMP_ -DMAX_NUM_THREADS=16 -c ./lib_vwk.c
./lib_vwk.c: In function ‘create_laplacian’:
./lib_vwk.c:536: internal compiler error: in find_or_generate_expression, at tree-ssa-pre.c:1472
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://bugzilla.redhat.com/bugzilla> for instructions.
Preprocessed source stored into /tmp/ccu4uolt.out file, please attach this to your bugreport.
make: *** [lib_vwk.o] Error 1


Version-Release number of selected component (if applicable):
gcc-4.1.1

How reproducible:
Always


Steps to Reproduce:
1

Actual Results:


Expected Results:


Additional info: