* error.c (dump_template_bindings): Don't print typenames
	for a partial instantiation.
	(dump_function_decl): If we aren't printing function arguments,
	print template arguments as <args> rather than [with ...].
	(dump_expr): Don't print return type or template header.
	[BASELINK]: Use BASELINK_FUNCTIONS rather than get_first_fn.
	* pt.c (dependent_template_arg_p): Handle null arg.

From-SVN: r175834