compilation of two testing functions of lapack fails (ICE) with the -O2 or -O3 optimisation levels level -O1 works
gfortran -funroll-all-loops -O3 -fomit-frame-pointer -c dget33.f dget33.f: In function dget33: dget33.f:1: erreur interne du compilateur: dans insert_into_preds_of_block, à tree-ssa-pre.c:2750 Veuillez soumettre un rapport complet d'anomalies, avec le source pré-traité si nécessaire. The message is the french for internal compiler error -- Summary: optimisation bug (ICE) on lapack sget33.f and dget33.f Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: Jean-pierre dot vial at wanadoo dot fr GCC build triplet: x86_64_unknown_linux GCC host triplet: x86_64_unknown_linux GCC target triplet: x86_64_unknown_linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30441