GCC suggest-override warnings

[EugeneZelenko]

Complete list of warnings when Boost 1.72 is built with GCC 7.5 with -Wsuggest-override added to cxxflags:

./boost/fiber/algo/round_robin.hpp:48:18: warning: ‘virtual void boost::fibers::algo::round_robin::awakened(boost::fibers::context*)’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/round_robin.hpp:50:23: warning: ‘virtual boost::fibers::context* boost::fibers::algo::round_robin::pick_next()’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/round_robin.hpp:52:18: warning: ‘virtual bool boost::fibers::algo::round_robin::has_ready_fibers() const’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/round_robin.hpp:54:18: warning: ‘virtual void boost::fibers::algo::round_robin::suspend_until(const time_point&)’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/round_robin.hpp:56:18: warning: ‘virtual void boost::fibers::algo::round_robin::notify()’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/shared_work.hpp:62:10: warning: ‘virtual void boost::fibers::algo::shared_work::awakened(boost::fibers::context*)’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/shared_work.hpp:64:15: warning: ‘virtual boost::fibers::context* boost::fibers::algo::shared_work::pick_next()’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/shared_work.hpp:66:10: warning: ‘virtual bool boost::fibers::algo::shared_work::has_ready_fibers() const’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/shared_work.hpp:71:7: warning: ‘virtual void boost::fibers::algo::shared_work::suspend_until(const time_point&)’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/shared_work.hpp:73:7: warning: ‘virtual void boost::fibers::algo::shared_work::notify()’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/work_stealing.hpp:65:18: warning: ‘virtual void boost::fibers::algo::work_stealing::awakened(boost::fibers::context*)’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/work_stealing.hpp:67:23: warning: ‘virtual boost::fibers::context* boost::fibers::algo::work_stealing::pick_next()’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/work_stealing.hpp:73:18: warning: ‘virtual bool boost::fibers::algo::work_stealing::has_ready_fibers() const’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/work_stealing.hpp:77:18: warning: ‘virtual void boost::fibers::algo::work_stealing::suspend_until(const time_point&)’ can be marked override [-Wsuggest-override]
./boost/fiber/algo/work_stealing.hpp:79:18: warning: ‘virtual void boost::fibers::algo::work_stealing::notify()’ can be marked override [-Wsuggest-override]
libs/fiber/src/context.cpp:33:36: warning: unused parameter ‘c’ [-Wunused-parameter]
libs/fiber/src/future.cpp:14:25: warning: ‘virtual const char* boost::fibers::future_error_category::name() const’ can be marked override [-Wsuggest-override]
libs/fiber/src/future.cpp:18:34: warning: ‘virtual std::error_condition boost::fibers::future_error_category::default_error_condition(int) const’ can be marked override [-Wsuggest-override]
libs/fiber/src/future.cpp:42:18: warning: ‘virtual bool boost::fibers::future_error_category::equivalent(const std::error_code&, int) const’ can be marked override [-Wsuggest-override]
libs/fiber/src/future.cpp:47:25: warning: ‘virtual std::__cxx11::string boost::fibers::future_error_category::message(int) const’ can be marked override [-Wsuggest-override]

BOOST_OVERRIDE was introduced in boostorg/config@ffe4e0f.

[Oliver Kowalke]

could you provide a patch please