[Bug c++/51188] invalid static_cast from type 'XBase' to type 'int'

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51188

--- Comment #12 from Jason Merrill <jason at gcc dot gnu.org> 2011-11-17 
21:03:31 UTC ---
(In reply to comment #6)
>            do
> -            field = fields[i--];
> +            field = strip_using_decl (fields[i--]);
>            while (i >= lo && DECL_NAME (fields[i]) == name);

Let's wait and strip_using_decl after the loop (i.e. at the return statement),
since a USING_DECL has the same name.  We also need to check
is_overloaded_decl.