57     : __imp_(nullptr) {  in __libcpp_debug_exception()
67     __libcpp_debug_exception const& other) : __imp_(nullptr) {  in __libcpp_debug_exception()
136     : __cbeg_(nullptr),  in __libcpp_db()
137       __cend_(nullptr),  in __libcpp_db()
139       __ibeg_(nullptr),  in __libcpp_db()
140       __iend_(nullptr),  in __libcpp_db()
151             if (*p != nullptr)  in ~__libcpp_db()
163             if (*p != nullptr)  in ~__libcpp_db()
180     _LIBCPP_ASSERT(i != nullptr, "iterator not found in debug database.");  in __find_c_from_i()
181     return i->__c_ != nullptr ? i->__c_->__c_ : nullptr;  in __find_c_from_i()
194     if (c == nullptr)  in __insert_ic()
199         if (c == nullptr)  in __insert_ic()
217         if (cbeg == nullptr)  in __insert_c()
223             while (q != nullptr)  in __insert_c()
240     if (__cbeg_[hc] == nullptr)  in __insert_c()
259         if (p != nullptr)  in __erase_i()
261             __i_node* q = nullptr;  in __erase_i()
266                 if (p == nullptr)  in __erase_i()
269             if (q == nullptr)  in __erase_i()
275             if (c != nullptr)  in __erase_i()
292         if (p == nullptr)  in __invalidate_all()
297             if (p == nullptr)  in __invalidate_all()
303             (*p->end_)->__c_ = nullptr;  in __invalidate_all()
319         return nullptr;  in __find_c_and_lock()
323     if (p == nullptr)  in __find_c_and_lock()
328         return nullptr;  in __find_c_and_lock()
333         if (p == nullptr)  in __find_c_and_lock()
338             return nullptr;  in __find_c_and_lock()
349     _LIBCPP_ASSERT(p != nullptr, "debug mode internal logic error __find_c A");  in __find_c()
353         _LIBCPP_ASSERT(p != nullptr, "debug mode internal logic error __find_c B");  in __find_c()
376         if (p == nullptr)  in __erase_c()
378         __c_node* q = nullptr;  in __erase_c()
379         _LIBCPP_ASSERT(p != nullptr, "debug mode internal logic error __erase_c A");  in __erase_c()
384             if (p == nullptr)  in __erase_c()
386             _LIBCPP_ASSERT(p != nullptr, "debug mode internal logic error __erase_c B");  in __erase_c()
388         if (q == nullptr)  in __erase_c()
395             (*p->end_)->__c_ = nullptr;  in __erase_c()
411     __c_node* c0 = i0 != nullptr ? i0->__c_ : nullptr;  in __iterator_copy()
412     if (i == nullptr && i0 != nullptr)  in __iterator_copy()
414     __c_node* c = i != nullptr ? i->__c_ : nullptr;  in __iterator_copy()
417         if (c != nullptr)  in __iterator_copy()
419         if (i != nullptr)  in __iterator_copy()
421             i->__c_ = nullptr;  in __iterator_copy()
422             if (c0 != nullptr)  in __iterator_copy()
438     return i != nullptr && i->__c_ != nullptr && i->__c_->__dereferenceable(__i);  in __dereferenceable()
448     return i != nullptr && i->__c_ != nullptr && i->__c_->__decrementable(__i);  in __decrementable()
458     return i != nullptr && i->__c_ != nullptr && i->__c_->__addable(__i, __n);  in __addable()
468     return i != nullptr && i->__c_ != nullptr && i->__c_->__subscriptable(__i, __n);  in __subscriptable()
479     __c_node* ci = i != nullptr ? i->__c_ : nullptr;  in __less_than_comparable()
480     __c_node* cj = j != nullptr ? j->__c_ : nullptr;  in __less_than_comparable()
481     return ci != nullptr && ci == cj;  in __less_than_comparable()
492     _LIBCPP_ASSERT(p1 != nullptr, "debug mode internal logic error swap A");  in swap()
496         _LIBCPP_ASSERT(p1 != nullptr, "debug mode internal logic error swap B");  in swap()
500     _LIBCPP_ASSERT(p2 != nullptr, "debug mode internal logic error swap C");  in swap()
504         _LIBCPP_ASSERT(p2 != nullptr, "debug mode internal logic error swap D");  in swap()
534         if (beg == nullptr)  in __add()
557         if (ibeg == nullptr)  in __insert_iterator()
563             while (q != nullptr)  in __insert_iterator()
580     if (r == nullptr)  in __insert_iterator()
583     ::new(r) __i_node(__i, p, nullptr);  in __insert_iterator()
592     __i_node* r = nullptr;  in __find_iterator()
596         for (__i_node* nd = __ibeg_[h]; nd != nullptr; nd = nd->__next_)  in __find_iterator()