PR c++/63522
	* parser.c (cp_parser_type_parameter): Call
	check_for_bare_parameter_packs on default argument.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@219066 138bc75d-0d04-0410-961f-82ee72b054a4
	* pt.c (check_default_tmpl_args): Uses the parameter source
	location in the diagnostic.
	(convert_template_argument): Just return if parm is error_mark_node.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@219067 138bc75d-0d04-0410-961f-82ee72b054a4