cp-tree.h (merge_primary_and_secondary_vtables_p): New macro.
* cp-tree.h (merge_primary_and_secondary_vtables_p): New macro.
* class.c (build_secondary_vtable): Reorganize. Don't create a
new vtable under the new ABI.
(layout_vtable_decl): Don't add num_extra_vtbl_entries when
computing the size.
(build_vtbl_initializer): Don't return a CONSTRUCTOR; just return
the initializing elements.
(initialize_vtable): New function.
(dfs_finish_vtbls): Use it.
(dfs_accumulate_vtbl_inits): New function.
(finish_vtbls): Merge primary and secondary vtables under the new
ABI.
(finish_struct_1): Remove redundant call to layout_vtable_decl.
* init.c (expand_virtual_init): Deal with BINFO_VTABLEs that
aren't VAR_DECLs.