semantics.c (begin_class_definition): Call maybe_process_partial_specialization befor...

semantics.c (begin_class_definition): Call maybe_process_partial_specialization before push_template_decl.

	* semantics.c (begin_class_definition): Call
	maybe_process_partial_specialization before push_template_decl.
	Don't call push_template_decl for a specialization.
	* search.c (lookup_field): Do return a member template class.
	* decl2.c (handle_class_head): Handle member template classes.
	* decl.c (grokdeclarator): A parm type need not be complete.
	* pt.c (convert_nontype_argument): Fix thinko.

From-SVN: r23705