Wed Jan 21 10:29:57 1998  Kriang Lerdsuwanakij  <lerdsuwa@scf.usc.edu>
	* pt.c (coerce_template_parms): Don't access elements of ARGLIST
	that is not really present.  Substitute default arguments in
	template template arguments.  Correctly convert TEMPLATE_DECL to
	TEMPLATE_TEMPLATE_PARM.
	(comp_template_args): TEMPLATE_DECL and TEMPLATE_TEMPLATE_PARM
	are no longer treated specially here.
	* parse.y (template_template_parm): Fix copy error.
	* decl.c (grokdeclarator): Warn about missing `typename' for nested
	type created from template template parameters.
	* parse.y (bad_parm): Likewise
	* class.c (finish_struct): Handle TEMPLATE_TEMPLATE_PARM.
	(push_nested_class): Likewise.
	* cp-tree.def (TEMPLATE_TEMPLATE_PARM): New tree code.
	* cp-tree.h (DECL_TEMPLATE_TEMPLATE_PARM_P): New macro.
	(copy_template_template_parm): Declare.
	* decl.c (arg_looking_for_template): New variable.
	(lookup_name_real): Handle TEMPLATE_TEMPLATE_PARM.
	Try to return TEMPLATE_DECL or TEMPLATE_TEMPLATE_PARM
	node if arg_looking_for_template is nonzero.
	(pushdecl): Handle TEMPLATE_TEMPLATE_PARM.
	(grok_op_properties, xref_tag, xref_basetypes): Likewise.
	(grokdeclarator): Handle TEMPLATE_DECL.
	* decl2.c (constructor_name_full): Handle TEMPLATE_TEMPLATE_PARM.
	* error.c (dump_type): Add TEMPLATE_DECL and TEMPLATE_TEMPLATE_PARM.
	(dump_type_prefix, dump_type_suffix) Handle TEMPLATE_TEMPLATE_PARM.
	(dump_decl): Handle unnamed template type parameters.
	Handle template template parameters.
	(dump_function_name): Handle template template parameters.
	* init.c (is_aggr_typedef, is_aggr_type, get_aggr_from_typedef):
	Handle TEMPLATE_TEMPLATE_PARM.
	* method.c (build_template_template_parm_names): New function.
	(build_template_parm_names): Handle TEMPLATE_DECL.
	(build_overload_nested_name, build_overload_name):
	Handle TEMPLATE_TEMPLATE_PARM.
	* parse.y (maybe_identifier): New nonterminal.
	(template_type_parm): Use it.
	(template_template_parm, template_arg1): New nonterminal.
	(template_parm): Add template_template_parm rules.
	(template_arg): Set processing_template_arg.
	(template_arg1): Rules moved from template_arg.
	(primary, nonnested_type): Set arg_looking_for_template if we are
	processing template arguments.
	* pt.c (begin_member_template_processing): Handle TEMPLATE_DECL.
	(process_template_parm): Handle template template parameters.
	(coerce_template_parms, comp_template_args): Likewise.
	(mangle_class_name_for_template, lookup_template_class): Likewise.
	(uses_template_parms): Handle TEMPLATE_DECL and
	TEMPLATE_TEMPLATE_PARM.
	(current_template_args): Handle TEMPLATE_DECL.
	(tsubst, tsubst_copy, unify): Handle TEMPLATE_TEMPLATE_PARM.
	* search.c (dfs_walk, dfs_record_inheritance):
	Handle TEMPLATE_TEMPLATE_PARM.
	* tree.c (copy_template_template_parm): New function.
	(mapcar): Handle TEMPLATE_TEMPLATE_PARM.
	* typeck.c (comptypes): Handle TEMPLATE_TEMPLATE_PARM.

From-SVN: r17441