$ gfortran -march=pentium4 -mfpmath=sse -msse2 -O -ftree-vectorize -c a.f <built-in>:0: internal compiler error: Segmentation fault a.f will be attached
-- Summary: Internal compiler error in gfortran Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: pawsa-gpa at theochem dot kth dot se CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: i686-redhat-linux-gnu GCC host triplet: i686-redhat-linux-gnu GCC target triplet: i686-redhat-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19365