* cp-tree.h (CLASSTYPE_N_BASECLASSES): Use BINFO_N_BASETYPES.
	(BINFO_PRIMARY_MARKED_P): New macro.
	(SET_BINFO_PRIMARY_MARKED_P): Likewise.
	(CLEAR_BINFO_PRIMARY_MARKED_P): Likewise.
	(mark_primary_bases): New function.
	(unmark_primary_bases): Likewise.
	* search.c (get_abstract_virtuals_1): Remove.
	(dfs_mark_primary_bases): New function.
	(mark_primary_bases): Likewise.
	(dfs_unmark_primary_bases): Likewise.
	(unmark_primary_bases): Likewise.
	(dfs_get_pure_virtuals): Likewise.

From-SVN: r31164