cp-tree.h (struct cp_parameter_declarator): Rename ellipsis_p to template_parameter_p...

cp-tree.h (struct cp_parameter_declarator): Rename ellipsis_p to template_parameter_pack_p.

	* cp-tree.h (struct cp_parameter_declarator): Rename ellipsis_p to
	template_parameter_pack_p.
	* parser.c (declarator_can_be_parameter_pack): False if
	parameter_pack_p is set.
	(make_parameter_declarator): Add template_parameter_pack_p parm.
	(cp_parser_template_parameter): Remove parameter pack parsing.
	(cp_parser_parameter_declaration): Handle all parameter packs.
	Tweak default argument permerror.

From-SVN: r225621