[Bug libfortran/77393] [7 Regression] Revision r237735 changed the behavior of F0.0

[ro at CeBiTec dot Uni-Bielefeld.DE]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77393

--- Comment #14 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> ---
> --- Comment #13 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
> Author: jvdelisle
> Date: Tue Sep  6 23:22:26 2016
> New Revision: 240018
>
> URL: https://gcc.gnu.org/viewcvs?rev=240018&root=gcc&view=rev
> Log:
> 2016-09-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
>
>         PR libgfortran/77393
>         * io/write_float.def (build_float_string): Recognize when the
>         result will not fit in the user provided, star fill, and exit
>         early.
>
>         * gfortran.dg/fmt_f0_2.f90: Update test.
>         * gfortran.dg/fmt_f0_3.f90: New test.

I've only now managed to test the patch: it passes on both
i386-pc-solaris2.12 and sparc-sun-solaris2.12.

Thanks.
        Rainer