cp-tree.h (ICS_USER_FLAG): Remove comment about obsolete flag.

cp-tree.h (ICS_USER_FLAG): Remove comment about obsolete flag.

	* cp-tree.h (ICS_USER_FLAG): Remove comment about obsolete flag.
	(DECL_MEMBER_TEMPLATE_P): New macro.
	(is_member_template): Remove.
	(class_method_index_for_fn): New function.
	* pt.c (build_over_call): Use DECL_MEMBER_TEMPLATE_P.
	* class.c (finish_struct_methods): Remove out-of-date comment.
	* decl.c (copy_fn_p): Use DECL_MBMER_TEMPLATE_P.
	* decl2.c (check_classfn): Use DECL_MEMBER_TEMPLATE_P and
	class_method_index_for_fn.
	* pt.c (is_member_template): Remove.
	(is_member_template_class): Likewise.
	(optimize_specialization_lookup_p): New function.
	(retrieve_specialization): Optimize lookups for members that are
	not member templates.
	(register_specialization): Adjust accordingly.
	(build_template_decl): Add member_template_p parameter.  Set
	DECL_MEMBER_TEMPLATE_P.
	(process_partial_specialization): Adjust call to
	retrieve_specialization.
	(push_template_decl_real): Determine whether the template is a
	member template.
	(lookup_template_class): Use retrieve_specialization.
	(tsubst_decl): Adjust call to retrieve_specialization.
	(tsubst_exception_specification): New function.
	(tsubst): Use it.
	(tsubst_copy): Use DECL_MEMBER_TEMPLATE_P.
	(instantiate_template): Adjust call to retrieve_specialization.
	(regenerate_decl_from_template): Do not actually generate a new
	DECL.
	(instantiate_decl): Adjust call to retrieve_specialization.
	(class_method_index_for_fn): New method.

From-SVN: r88697