http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46809
--- Comment #1 from Salvatore Filippone <sfilippone at uniroma2 dot it> 2010-12-05 13:29:12 UTC --- With trunk at r167453 I get [sfili...@localhost bug27]$ gfortran -v Using built-in specs. COLLECT_GCC=gfortran COLLECT_LTO_WRAPPER=/usr/local/gnu46/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../gcc/configure --prefix=/usr/local/gnu46 --enable-languages=c,c++,fortran --with-gmp=/home/travel/GCC/gmp --with-mpfr=/home/travel/GCC/mpfr --with-mpc=/home/travel/GCC/mpc : (reconfigured) ../gcc/configure --prefix=/usr/local/gnu46 --with-gmp=/home/travel/GCC/gmp --with-mpfr=/home/travel/GCC/mpfr --with-mpc=/home/travel/GCC/mpc --enable-languages=c,c++,fortran,lto --no-create --no-recursion : (reconfigured) ../gcc/configure --prefix=/usr/local/gnu46 --with-gmp=/home/travel/GCC/gmp --with-mpfr=/home/travel/GCC/mpfr --with-mpc=/home/travel/GCC/mpc --enable-languages=c,c++,fortran,lto --no-create --no-recursion : (reconfigured) ../gcc/configure --prefix=/usr/local/gnu46 --with-gmp=/home/travel/GCC/gmp --with-mpfr=/home/travel/GCC/mpfr --with-mpc=/home/travel/GCC/mpc --enable-languages=c,c++,fortran,lto --no-create --no-recursion Thread model: posix gcc version 4.6.0 20101204 (experimental) (GCC) [sfili...@localhost bug27]$ gfortran -fcheck=all -c psb_s_base_mat_impl.f03 psb_s_base_mat_impl.f03: In function 'psb_s_base_transp_2mat': psb_s_base_mat_impl.f03:120:0: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.