id summary reporter owner description type status milestone component version severity resolution keywords cc 4382 asio::buffers_iterator breaks _GLIBCXX_CONCEPT_CHECKS Serge Pavlovsky chris_kohlhoff "it doesn't have operator+(std::ptrdiff_t difference, const buffers_iterator& iter) the fix is simple: friend buffers_iterator operator+(std::ptrdiff_t difference, const buffers_iterator& iter) { return iter + difference; } " Patches closed Boost 1.44.0 asio Boost 1.44.0 Problem fixed