Re: works with gfortran-4.3 but segfaults with gfortran-4.4

[Jerry DeLisle <jvdelisle at verizon dot net>]

On 08/02/2010 09:31 PM, Kamaraju S Kusumanchi wrote:
> Steve Kargl wrote:
>
> > On Mon, Aug 02, 2010 at 09:42:53PM -0400, Kamaraju S Kusumanchi wrote:
> > > I am not sure if it is a Debian bug or gfortran's bug. Consider the
> > > following code attached (5 files)
> > >
> > > If I use the gfortran-4.3 the code compiles and executes fine
> > > $gfortran-4.3 -g la_erinfo.f90 la_auxmod.f90 f77_lapack_double.f90
> > > f95_lapack_double.f90 la_dgesvd.f90 la_dgesdd.f90
> > > dummy.f90 /usr/lib/liblapack.so.3gf
> > >
> > > $./a.out
> > >   calling la_gesvd
> > >   calling la_gesdd
> > >
> > > But If I use the gfortran-4.4 compiler, the code gives a segmentation
> > > fault
> > >
> > > $gfortran-4.4 -g la_erinfo.f90 la_auxmod.f90 f77_lapack_double.f90
> > > f95_lapack_double.f90 la_dgesvd.f90 la_dgesdd.f90
> > > dummy.f90 /usr/lib/liblapack.so.3gf
> >
> > Add -Wall -fbounds-check and fix any problems.
>
> Sure! But it does not solve the problem in this case. It just gives warnings
> about non conforming tab character.
>
> > > Can someone please tell me if I am doing anything wrong or if this is a
> > > bug in gfortran-4.4?
> >
> > What compiler was used to compile /liblapack.so.3gf?
>
> It is the standard lapack library package shipped in Debian testing package
> liblapack3gf 3.2.1-8. Is there a command to find the version of the
> compiler used to generate it?
>
> thanks
> raju

I see the segfault here too.  Testing

Jerry