174   __imp_ = make_shared<__dir_stream>(p, opts, m_ec);  in directory_iterator()
177   if (!__imp_->good()) {  in directory_iterator()
178     __imp_.reset();  in directory_iterator()
185   _LIBCPP_ASSERT(__imp_, "Attempting to increment an invalid iterator");  in __increment()
189   if (!__imp_->advance(m_ec)) {  in __increment()
190     path root = std::move(__imp_->__root_);  in __increment()
191     __imp_.reset();  in __increment()
199   _LIBCPP_ASSERT(__imp_, "Attempting to dereference an invalid iterator");  in __dereference()
200   return __imp_->__entry_;  in __dereference()
212     : __imp_(nullptr), __rec_(true) {  in recursive_directory_iterator()
222   __imp_ = make_shared<__shared_imp>();  in recursive_directory_iterator()
223   __imp_->__options_ = opt;  in recursive_directory_iterator()
224   __imp_->__stack_.push(std::move(new_s));  in recursive_directory_iterator()
228   _LIBCPP_ASSERT(__imp_, "Popping the end iterator");  in __pop()
231   __imp_->__stack_.pop();  in __pop()
232   if (__imp_->__stack_.size() == 0)  in __pop()
233     __imp_.reset();  in __pop()
239   return __imp_->__options_;  in options()
243   return __imp_->__stack_.size() - 1;  in depth()
247   return __imp_->__stack_.top().__entry_;  in __dereference()
267   auto& stack = __imp_->__stack_;  in __advance()
279     __imp_.reset();  in __advance()
282     __imp_.reset();  in __advance()
291   auto& curr_it = __imp_->__stack_.top();  in __try_recursion()
310     __dir_stream new_it(curr_it.__entry_.path(), __imp_->__options_, m_ec);  in __try_recursion()
312       __imp_->__stack_.push(std::move(new_it));  in __try_recursion()
318         bool(__imp_->__options_ & directory_options::skip_permission_denied);  in __try_recursion()
324       __imp_.reset();  in __try_recursion()