With gfortran 4.3.0 20070309 (powerpc-apple-darwin7) compiling integer_exponentiation_1.f90 with -ffast-math gives an ICE with:
[address=806b1964 pc=00087bfc] integer_exponentiation_1.f90: In function 'MAIN__': integer_exponentiation_1.f90:4: internal compiler error: Segmentation Fault This has been confirmed by Thomas Koenig and FX Coudert, see: http://gcc.gnu.org/ml/fortran/2007-03/msg00203.html http://gcc.gnu.org/ml/fortran/2007-03/msg00204.html for additional information and problems. -- Summary: ICE with integer_exponentiation_1.f90 and -ffast-math Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dominiq at lps dot ens dot fr GCC target triplet: powerpc-apple-darwin7 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31120