2000-01-02  Mark Mitchell  <mark@codesourcery.com>

	* cp-tree.h (CLASSTYPE_VFIELDS): Move definition.
	(BINFO_PRIMARY_MARKED_P): Use flag 5.
	(SET_BINFO_PRIMARY_MARKED_P): Likewise.
	(CLEAR_BINFO_PRIMARY_MARKED_P): Likewise.
	(unmark_primary_bases): Remove declaration.
	(unmarkedp): Declare.
	(dfs_vbase_unmark): Likewise.
	* class.c (determine_primary_base): Return immediately if there
	are no base classes.  Call mark_primary_bases here.
	(modify_all_direct_vtables): Remove.
	(modify_all_indirect_vtables): Remove.
	(dfs_modify_vtables_queue_p): New function.
	(dfs_modify_vtables): New function.
	(modify_all_vtables): Use them.
	(build_base_fields): Build FIELD_DECLs for primary virtual base
	classes.
	(create_vtable_ptr): Don't call determine_primary_base here.
	(dfs_mark_primary_bases_and_set_vbase_offsets): Rename to ...
	(dfs_set_offset_for_vbases): ... this.
	(layout_virtual_bases): Use it.
	(layout_class_type): Call determine_primary_base here.
	* search.c (unmarkedp): Make it global.
	(shared_marked_p): Simplify.
	(shared_unmarked_p): Likewise.
	(dfs_primary_bases_queue_p): Remove.
	(dfs_unmark_primary_bases): Likewise.
	(unmark_primary_bases): Likewise.
	(mark_primary_bases): Simplify.
	(get_pure_virtuals): Don't call mark_primary_bases here.
	(dfs_vbase_unmark): New function.
	(get_vbase_types): Simplify.

From-SVN: r31175