* tree.h (BINFO_PRIMARY_BASE_OF): Remove.
	(struct tree_binfo): Remove primary field.
	* cp/cp-tree.h (BINFO_PRIMARY_P): Use a binfo flag.
	(BINFO_INDIRECT_PRIMARY_P): Remove.
	* cp/class.c (determine_primary_base): Rename to ...
	(determine_primary_bases): ... here.  Set all primary bases.
	(set_primary_base): Remove.
	(mark_primary_bases): Remove.
	(build_simple_base_path, walk_subobject_offsets,
	propagate_binfo_offsets, end_of_class): Adjust.
	(layout_class_type): Rename determine_primary_base call.
	(dump_class_hierarchy_r, dump_vtable): Adjust. Don't pass a binfo
	to type_as_string.
	(dfs_build_secondary_vptr_vtt_inits, dfs_accumulate_vtbl_inits,
	build_rtti_vtbl_entries): Adjust.
	* cp/init.c (build_vtbl_address): Adjust.

From-SVN: r86766