[Bug fortran/85088] improve diagnostic for bad INTENT declaration ('Invalid character in name at')

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85088

--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
The block

/* TODO: Call match_intent_spec from here.  */
...

has been introduced at revision r128028, September 2 2007, by Roger Sayle, see

https://gcc.gnu.org/ml/fortran/2007-08/msg00655.html