[patch, fortran, committed] Small -fdump-fortran-original fixes, plus documentation update

[Paul Richard Thomas]

Hi Thomas,

I thought that the suggestion to add the original input lines was not
bad. It would be even better if -fdump-tree-original could do that. I
often time find myself putting a line under the spotlight in a
contained subroutine.

Thanks for working on -fdump-parse-tree.

Cheers

Paul

On 8 October 2017 at 13:57, Thomas Koenig <tkoenig@netcologne.de> wrote:
> Hello world,
>
> I have committed a few small fixes for -fdump-fortran-original and
> friends.
>
> Since there was interest on c.l.f from somebdoy who actually wanted to
> use the dump for something useful, I have also clarified in the docs
> that this is something that is not guaranteed to work between releases.
>
> Regards
>
>         Thomas
>
> 2017-10-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
>
>         * dump_prase_tree (show_symbol): Output list of variables in
>         NAMELIST.
>         (show_code_node): Add new line for ELSE and END DO for DO
>         CONCURRENT.
>         * invoke.texi: Document that the output of
>         -fdump-fortran-original, -fdump-fortran-optimized and
>         -fdump-parse-tree is unsable and may lead to ICEs.



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