TYPE_VPTR_FIELDNO (known_type));
tempval=value_field (v, TYPE_VPTR_FIELDNO(known_type));
VALUE_ADDRESS(tempval) += bitpos / 8;
TYPE_VPTR_FIELDNO (known_type));
tempval=value_field (v, TYPE_VPTR_FIELDNO(known_type));
VALUE_ADDRESS(tempval) += bitpos / 8;