Internal compiler error in tree-ssa-pre.c when compiling lib_vwk.c in Situs version 2.2.1.
To reproduce: tar xvzf Situs_2.2.1.tar.gz cd Situs_2.2.1 make all The result: 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 Build & platform: gcc version 4.1.2 20060928 (prerelease) (Ubuntu 4.1.1-13ubuntu5) Kubuntu 6.10 (Edgy), with current updates as of 1/11/07 Additional information: Target: i486-linux-gnu Configured with: ../src/configure -v --enable-languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --program-suffix=-4.1 --enable-__cxa_atexit --enable-clocale=gnu --enable-libstdcxx-debug --enable-mpfr --enable-checking=release i486-linux-gnu Thread model: posix -- Summary: internal compiler error: in find_or_generate_expression, at tree-ssa-pre.c:1472 Product: gcc Version: 4.1.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jasonmbechtel at gmail dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30440