[Bug fortran/60543] [4.7/4.8/4.9 Regression] Function with side effect removed by the optimizer.

[kargl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60543

--- Comment #17 from kargl at gcc dot gnu.org ---
(In reply to Sarantis Pantazis from comment #15)
>
> It seems it is something trivial but my knowledge outside of fortran is
> still rather limited...
>

Bugzilla is not a Fortran User support forum.  But, to aid in your
suffering.  Remove ALL installed versions of gfortran.  Make sure
that there are no leftover gfortrans or f951 in your path and remove
all old *.mod files.  Now, re-install the latest and greatest version
of gfortran from trunk.