boost/boost/interprocess/smart_ptr/detail/sp_counted_impl.hpp: In constructor 'boost::interprocess::detail::sp_counted_impl_pd<A, D>::sp_counted_impl_pd(const Ptr&, const A&, const D&) [with Ptr = boost::interprocess::offset_ptr<Class>, A = boost::interprocess::allocator<Class, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void> >, boost::interprocess::iset_index> >, D = SegmentDeleter<Class>]':
boost/boost/interprocess/smart_ptr/detail/shared_count.hpp:90:   instantiated from 'boost::interprocess::detail::shared_count<T, A, D>::shared_count(const Ptr&, const A&, D) [with Ptr = boost::interprocess::offset_ptr<Class>, T = Class, A = boost::interprocess::allocator<Class, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void> >, boost::interprocess::iset_index> >, D = SegmentDeleter<Class>]'
boost/boost/interprocess/smart_ptr/shared_ptr.hpp:105:   instantiated from 'boost::interprocess::shared_ptr<T, VA, D>::shared_ptr(const typename boost::interprocess::detail::pointer_to_other<typename A::pointer, T>::type&, const VA&, const D&) [with T = Class, VA = boost::interprocess::allocator<Class, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void> >, boost::interprocess::iset_index> >, D = SegmentDeleter<Class>]'
boost/boost/preprocessor/iteration/detail/local.hpp:43:   instantiated from 'void boost::interprocess::detail::Ctor3Arg<T, is_iterator, P0, P1, P2>::construct(void*, boost::interprocess::detail::false_) [with T = boost::interprocess::shared_ptr<Class, boost::interprocess::allocator<Class, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void> >, boost::interprocess::iset_index> >, SegmentDeleter<Class> >, bool is_iterator = false, P0 = Class*, P1 = boost::interprocess::allocator<Class, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void> >, boost::interprocess::iset_index> >, P2 = SegmentDeleter<Class>]'
boost/boost/preprocessor/iteration/detail/local.hpp:43:   instantiated from 'void boost::interprocess::detail::Ctor3Arg<T, is_iterator, P0, P1, P2>::construct_n(void*, size_t, size_t&) [with T = boost::interprocess::shared_ptr<Class, boost::interprocess::allocator<Class, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void> >, boost::interprocess::iset_index> >, SegmentDeleter<Class> >, bool is_iterator = false, P0 = Class*, P1 = boost::interprocess::allocator<Class, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void> >, boost::interprocess::iset_index> >, P2 = SegmentDeleter<Class>]'
boost_interprocess_issue.cpp:43:   instantiated from here
boost/boost/interprocess/smart_ptr/detail/sp_counted_impl.hpp:66: error: cannot convert 'const boost::interprocess::offset_ptr<Class>' to 'Class*' in initialization