[Patch, fortran] PR33542 - gfortran does not detect ambigious specific names if they are the same as generic names

[Tobias Schlüter]

Paul Richard Thomas wrote:
> +       if (e->expr_type == FL_VARIABLE && e->symtree->ambiguous)
> + 	{
> + 	  gfc_error ("'%s' at %L is ambiguous", e->symtree->n.sym->name,
> + 		     &e->where);
> + 	  return FAILURE;
> + 	}

I forgot how we handle renames (I mean USE X, A=>B), but I'm guessing 
that e->symtree->name would be the safe choice for the name to print. 
Also a testcase with renaming would be a good thing to have.

Unless there is trouble with renaming, the patch is ok.

Cheers,
- Tobi