../boost/pfr/detail/offset_based_getter.hpp:124:24: warning: 'boost::pfr::detail::offset_based_getter<U, S>::index_t<idx>& boost::pfr::detail::offset_based_getter<U, S>::get(const U&, boost::pfr::detail::size_t_<idx>) const noexcept [with long unsigned int idx = 0ul; U = main()::local_comparable_struct; S = boost::pfr::detail::sequence_tuple::tuple<int, short int, bool, int, int, int, int, int, int>]' used but never defined
../boost/pfr/detail/offset_based_getter.hpp:124:24: warning: 'boost::pfr::detail::offset_based_getter<U, S>::index_t<idx>& boost::pfr::detail::offset_based_getter<U, S>::get(const U&, boost::pfr::detail::size_t_<idx>) const noexcept [with long unsigned int idx = 1ul; U = main()::local_comparable_struct; S = boost::pfr::detail::sequence_tuple::tuple<int, short int, bool, int, int, int, int, int, int>]' used but never defined
../boost/pfr/detail/offset_based_getter.hpp:124:24: warning: 'boost::pfr::detail::offset_based_getter<U, S>::index_t<idx>& boost::pfr::detail::offset_based_getter<U, S>::get(const U&, boost::pfr::detail::size_t_<idx>) const noexcept [with long unsigned int idx = 2ul; U = main()::local_comparable_struct; S = boost::pfr::detail::sequence_tuple::tuple<int, short int, bool, int, int, int, int, int, int>]' used but never defined
../boost/pfr/detail/offset_based_getter.hpp:124:24: warning: 'boost::pfr::detail::offset_based_getter<U, S>::index_t<idx>& boost::pfr::detail::offset_based_getter<U, S>::get(const U&, boost::pfr::detail::size_t_<idx>) const noexcept [with long unsigned int idx = 3ul; U = main()::local_comparable_struct; S = boost::pfr::detail::sequence_tuple::tuple<int, short int, bool, int, int, int, int, int, int>]' used but never defined
../boost/pfr/detail/offset_based_getter.hpp:124:24: warning: 'boost::pfr::detail::offset_based_getter<U, S>::index_t<idx>& boost::pfr::detail::offset_based_getter<U, S>::get(const U&, boost::pfr::detail::size_t_<idx>) const noexcept [with long unsigned int idx = 4ul; U = main()::local_comparable_struct; S = boost::pfr::detail::sequence_tuple::tuple<int, short int, bool, int, int, int, int, int, int>]' used but never defined
../boost/pfr/detail/offset_based_getter.hpp:124:24: warning: 'boost::pfr::detail::offset_based_getter<U, S>::index_t<idx>& boost::pfr::detail::offset_based_getter<U, S>::get(const U&, boost::pfr::detail::size_t_<idx>) const noexcept [with long unsigned int idx = 5ul; U = main()::local_comparable_struct; S = boost::pfr::detail::sequence_tuple::tuple<int, short int, bool, int, int, int, int, int, int>]' used but never defined
../boost/pfr/detail/offset_based_getter.hpp:124:24: warning: 'boost::pfr::detail::offset_based_getter<U, S>::index_t<idx>& boost::pfr::detail::offset_based_getter<U, S>::get(const U&, boost::pfr::detail::size_t_<idx>) const noexcept [with long unsigned int idx = 6ul; U = main()::local_comparable_struct; S = boost::pfr::detail::sequence_tuple::tuple<int, short int, bool, int, int, int, int, int, int>]' used but never defined
../boost/pfr/detail/offset_based_getter.hpp:124:24: warning: 'boost::pfr::detail::offset_based_getter<U, S>::index_t<idx>& boost::pfr::detail::offset_based_getter<U, S>::get(const U&, boost::pfr::detail::size_t_<idx>) const noexcept [with long unsigned int idx = 7ul; U = main()::local_comparable_struct; S = boost::pfr::detail::sequence_tuple::tuple<int, short int, bool, int, int, int, int, int, int>]' used but never defined
../boost/pfr/detail/offset_based_getter.hpp:124:24: warning: 'boost::pfr::detail::offset_based_getter<U, S>::index_t<idx>& boost::pfr::detail::offset_based_getter<U, S>::get(const U&, boost::pfr::detail::size_t_<idx>) const noexcept [with long unsigned int idx = 8ul; U = main()::local_comparable_struct; S = boost::pfr::detail::sequence_tuple::tuple<int, short int, bool, int, int, int, int, int, int>]' used but never defined
                

../boost/pfr/detail/core14_classic.hpp:668:6: warning: 'void boost::pfr::detail::for_each_field_dispatcher_1(T&, F&&, std::index_sequence<I ...>, std::true_type) [with T = const main()::two_unions; F = boost::pfr::detail::binary_visit(const T&, const U&) [with Visitor = boost::pfr::detail::equal_impl; T = main()::two_unions; U = main()::two_unions]::<lambda(const auto:2&)>; long unsigned int ...I = {}]' used but never defined
                

../boost/pfr/detail/core14_loophole.hpp:105:15: warning: inline function 'constexpr boost::pfr::detail::loophole_ubiq_lref<T, N>::operator U&() const && [with U = short int; long unsigned int <anonymous> = 1ul; T = aggregate_constrained; long unsigned int N = 0ul]' used but never defined
../boost/pfr/detail/core14_loophole.hpp:105:15: warning: inline function 'constexpr boost::pfr::detail::loophole_ubiq_lref<T, N>::operator U&() const && [with U = int; long unsigned int <anonymous> = 1ul; T = aggregate_constrained; long unsigned int N = 1ul]' used but never defined
                

../boost/pfr/detail/core14_loophole.hpp:105:15: warning: inline function 'constexpr boost::pfr::detail::loophole_ubiq_lref<T, N>::operator U&() const && [with U = int; long unsigned int <anonymous> = 1ul; T = aggregate_unconstrained; long unsigned int N = 0ul]' used but never defined
../boost/pfr/detail/core14_loophole.hpp:105:15: warning: inline function 'constexpr boost::pfr::detail::loophole_ubiq_lref<T, N>::operator U&() const && [with U = int; long unsigned int <anonymous> = 1ul; T = aggregate_unconstrained; long unsigned int N = 1ul]' used but never defined