[Patch, Fortran, F03] PR 54949: abstract procedure pointers not rejected

[Janus Weil]

>> attached is a close-to-trivial patch which rejects the declaration of
>> 'abstract procedure pointers' (which is not a valid Fortran concept),
>> and thereby fixes an ICE-on-invalid.
>>
>> Regtested on x86_64-unknown-linux-gnu. Ok for trunk?
>
> Looks good to me. Thanks for the patch!

Thanks! Committed as r206033.

Cheers,
Janus