[patch, fortran] Fix PR 56342, matmul was not simplified

[Jerry DeLisle]

On 10/22/2017 10:39 AM, Thomas Koenig wrote:
> Hello world,
> 
> the attached patch fixes the PR by calling gfc_simplify_expr for
> parameter arrays, which do not yet appear to simplified completely
> by the time they reach gfc_simplify_matmul.
> 
> I suspect this will also fix some more simplification issues, but I
> didn't search for other cases.
> 
> Regression-tested.  OK for trunk?
> 
> Regards
> 
> Â Â Â Â Thomas

OK and thanks for patch.

Jerry