* class.c (check_field_decls): Remove empty_p parameter. Instead,
clear CLASSTYPE_EMPTY_P.
(build_base_field): Likewise.
(build_base_fields): Likewise.
(check_bases_and_members): Likewise.
(create_vtbl_ptr): Likewise.
(layout_class_type): Likewise. Ensure that empty classes have
size zero when used as base classes in the 3.2 ABI.
(finish_struct_1): Initialize CLASSTYPE_EMPTY_P and
CLASSTYPE_NEARLY_EMPTY_P. Adjust calls to avoid passing empty_p
parameter.
(is_empty_class): Correct definition when using post-3.2 ABI.
* cp-tree.h (lang_type_class): Add empty_p.
(CLASSTYPE_EMPTY_P): New macro.
From-SVN: r58170
