* cp-tree.h (struct lang_type): Remove search_slot.
(CLASSTYPE_SEARCH_SLOT): Remove.
(emit_base_init): Change prototype.
(initialize_vtbl_ptrs): Likewise.
(expand_indirect_vtbls_init): Likewise.
(clear_search_slots): Remove.
* decl.c (lang_mark_tree): Don't mark search_slot.
* init.c (initialize_vtbl_ptrs): Simplify.
(emit_base_init): Likewise.
* search.c (struct vbase_info): Document decl_ptr.
(convert_pointer_to_single_level): Remove.
(dfs_find_vbases): Remove.
(dfs_init_base_pointers): Simplify.
(dfs_clear_vbase_slots): Remove.
(dfs_vtable_path_unmark): New function.
(init_vbase_pointers): Simplify.
(expand_upcast_fixups): Don't rely on CLASSTYPE_SEARCH_SLOT.
(expand_indirect_vtbls_init): Simplify. Don't call
mark_all_temps_used.
* semantics.c (setup_vtbl_ptr): Adjust calls to emit_base_init and
initialize_vtbl_ptrs.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34067
138bc75d-0d04-0410-961f-
82ee72b054a4