| 56,6 → 56,18 |
|---|
| const __class_type_info *whole_type = prefix->whole_type; |
| __class_type_info::__dyncast_result result; |
| |
| // If the whole object vptr doesn't refer to the whole object type, we're |
| // in the middle of constructing a primary base, and src is a separate |
| // base. This has undefined behavior and we can't find anything outside |
| // of the base we're actually constructing, so fail now rather than |
| // segfault later trying to use a vbase offset that doesn't exist. |
| const void *whole_vtable = *static_cast <const void *const *> (whole_ptr); |
| const vtable_prefix *whole_prefix = |
| adjust_pointer <vtable_prefix> (whole_vtable, |
| -offsetof (vtable_prefix, origin)); |
| if (whole_prefix->whole_type != whole_type) |
| return NULL; |
| |
| whole_type->__do_dyncast (src2dst, __class_type_info::__contained_public, |
| dst_type, whole_ptr, src_type, src_ptr, result); |
| if (!result.dst_ptr) |