Hi, compiling LAPACK with -O -ffast-math leads to an ICE in LAPACK's csptri.f and csytri.f:
% gfortran -O -ffast-math -c csptri.f csptri.f: In function 'csptri': csptri.f:1: internal compiler error: in find_lattice_value, at tree-complex.c:133 The same error is encountered in the other file. Cheers, -ha -- Summary: gfortran: ICE at tree-complex.c:133 with -O -ffast-math in LAPACK, Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: anlauf at gmx dot de GCC host triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26717