Hello, Trying to debug another issue, I have found this ICE, trunk at r163595
[sfili...@localhost bug22]$ 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 : (reconfigured) ../gcc/configure --prefix=/usr/local/gnu46 --enable-languages=c,c++,fortran Thread model: posix gcc version 4.6.0 20100827 (experimental) (GCC) [sfili...@localhost bug22]$ gfortran -ggdb -c bug22.f03 [sfili...@localhost bug22]$ gfortran -ggdb -fcheck=pointer -c bug22.f03 bug22.f03: In function 'base_get_nz_row': bug22.f03:58:0: 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. -- Summary: [OOP] ICE with -fcheck=pointer Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: sfilippone at uniroma2 dot it GCC build triplet: x86_64-unknown-linux-gnu GCC host triplet: x86_64-unknown-linux-gnu GCC target triplet: x86_64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45438