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	* Makefile.in (CXX_TREE_H): Add varray.h
	(lex.o): Depend on ggc.h.
	(decl.o): Likewise.
	(decl2.o): Likewise.
	(method.o): Likewise.
	(search.o): Likewise.
	(pt.o): Likewise.
	(repo.o): Likewise.
	* class.c: Include ggc.h.
	(current_class_name): Remove.
	(current_class_type): Likewise.
	(current_access_specifier): Likewise.
	(previous_class_type): Likewise.
	(previous_class_values): Likewise.
	(class_cache_firstobj): Likewise.
	(current_lang_base): Likewise.
	(current_lang_stack): Likewise.
	(current_lang_stacksize): Likewise.
	(lang_name_c): Likewise.
	(lang_name_cplusplus): Likewise.
	(lang_name_java): Likewise.
	(current_lang_name): Likewise.
	(base_layout_decl): Likewise.
	(access_default_node): Likewise.
	(access_public_node): Likewise.
	(access_protected_node): Likewise.
	(access_private_node): Likewise.
	(access_default_virtual_node): Likewise.
	(access_public_virtual_node): Likewise.
	(access_protected_virtual_node): Likewise.
	(access_private_virtual_node): Likewise.
	(signed_zero_node): Likewise.
	(init_class_processing): Don't build base_layout_decl.
	(push_lang_context): Adjust now that current_lang_base is a varray.
	(pop_lang_context): Likewise.
	* cp-tree.h: Include varray.h.
	(cp_global_trees): Add access_default, access_public,
	access_protected, access_private, access_default_virtual,
	access_public_virtual, access_protected_virtual,
	access_private_virtual, ctor_identifier, delta2_identifier,
	delta_identifier, dtor_identifier, in_charge_identifier,
	index_identifier, nelts_identifier, this_identifier,
	pfn_identifier, pfn_or_delta2_identifier, vptr_identifier,
	lang_name_c, lang_name_cplusplus, lang_name_java,
	empty_except_spec, null, jclass, minus_one, terminate.
	(saved_scope): Move here from decl.c.  Define globals in terms of
	saved_scope: current_namespace, current_class_name,
	current_class_type, current_access_specifier, current_lang_stack,
	current_lang_base, current_lang_name, current_function_parms,
	current_template_parms, processing_template_decl,
	processing_specialization, processing_explicit_instantiation,
	previous_class_type, previous_class_values, class_cache_firstobj.
	(scope_chain): New variable.
	(init_pt): New function.
	* decl.c (current_namespace): Remove.
	(this_identifier, in_charge_identifier, ctor_identifier): Likewise.
	(dtor_identifier, pfn_identifier, index_identifier): Likewise.
	(delta_identifier, delta2_identifier): Likewise.
	(pfn_or_delta2_identifier, tag_identifier): Likewise
	(vt_off_identifier, empty_except_spec, null_node): Likewise.
	(current_function_parms, current_lang_base): Remove.
	(current_lang_stack, previous_class_values): Remove.
	(class_binding_level): Macroize.
	(saved_scope): Remove.
	(current_saved_scope): Rename to scope_chain.
	(mark_saved_scope): Adjust for new scope structure.
	(maybe_push_to_top_level): Likewise.
	(pop_from_top_level): Likewise.
	(duplicate_decls): Adjust now that current_lang_base is a varray.
	(build_typename_type): Call ggc_add_tree_hash_table_root.
	(init_decl_processing): Call init_pt.  Call push_to_top_level to
	set up globals.  Add GC roots.
	(xref_basetypes): Adjust now that current_lang_base is a varray.
	* decl.h (this_identifier): Remove.
	(in_charge_identifier): Likewise.
	* decl2.c: Don't include varray.h.
	(current_namespace): Remove.
	(init_decl2): Add GC roots.
	* except.c (Terminate): Remove.
	(init_exception_processing): Use terminate_node instead.
	(build_terminate_handler): Likewise.
	* init.c (nc_nelts_field_id): Remove.
	(minus_one): Likewise.
	(init_init_processing): Use minus_one_node and nelts_identifier
	instead.  Add GC roots.
	(jclass_node): Remove.
	(build_new_1): Use nelts_identifier.
	(build_vec_init): Likewise.
	(build_vec_delete): Likewise.
	* lex.c: Include ggc.h.
	(defarg_fn): Move declaration early.
	(defarg_parms): Likewise.
	(init_parse): Add GC roots.
	(handle_cp_pragma): Remove redundant declaration of
	pending_vtables.
	* method.c: Include ggc.h.
	(btypelist): Make it a varray.  All uses changed.
	(ktypelist): Likewise.
	(init_method): Add GC roots.
	* pt.c: Don't include varray.h.  Include ggc.h.
	(current_template_parms): Remove.
	(processing_template_decl): Likewise.
	(processing_specialization): Likewise.
	(processing_explicit_instantiation): Likewise.
	(init_pt): New function.
	* repo.c: Include ggc.h.
	(init_repo): Add GC roots.
	* search.c: Don't include varray.h.
	(_vptr_name): Remove.
	(lookup_field_1): Use vtpr_identifier instead.
	(expand_indirect_vtbls_init): Remove redundant declaration of
	in_charge_identifier.
	(init_search_processing): Use vptr_identifier.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29135 138bc75d-0d04-0410-961f-82ee72b054a4