gcc -v says Using built-in specs. 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 --with-gxx-include-dir=/usr/include/c++/4.2 --program-suffix=-4.2 --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr --enable-targets=all --enable-checking=release --build=i486-linux-gnu --host=i486-linux-gnu --target=i486-linux-gnu Thread model: posix gcc version 4.2.4 (Ubuntu 4.2.4-1ubuntu4)
command line gcc -O3 -fomit-frame-pointer -ffast-math -DHAVE_CONFIG_H -c Divonne.i output ./src/divonne/Explore.c: In function Explore: ./src/divonne/Explore.c:17: internal compiler error: in root_var_init, at tree-ssa-live.c:1034 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. For Debian GNU/Linux specific bug reprting instructions, see <URL:file:///usr/share/doc/gcc-4.2/README.Bugs>. Divonne.i is too long to be included here, please contact me for the file as you don't seem to allow uploads of files. ------------------------ -- Summary: Compiler internal error with -O3 Product: gcc Version: 4.2.4 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: David dot Kosower at cea dot fr http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41155
