"g++-11"   -fvisibility-inlines-hidden -std=c++20 -fPIC -pthread -O0 -fno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DBOOST_COBALT_USE_STD_PMR=1   -I".." -I"/mnt/fs1/teeks99-06/run/boost_root/libs/assert/include" -I"/mnt/fs1/teeks99-06/run/boost_root/libs/container_hash/include" -I"/mnt/fs1/teeks99-06/run/boost_root/libs/core/include" -I"/mnt/fs1/teeks99-06/run/boost_root/libs/describe/include" -I"/mnt/fs1/teeks99-06/run/boost_root/libs/mp11/include" -I"/mnt/fs1/teeks99-06/run/boost_root/libs/throw_exception/include" -I"/mnt/fs1/teeks99-06/run/boost_root/libs/type_index/include" -I"/mnt/fs1/teeks99-06/run/boost_root/libs/yap/include"  -c -o "/mnt/fs1/teeks99-06/run/results/boost/bin.v2/libs/yap/test/print.test/gcc-11~c++20/debug/arm_64/debug-symbols-off/threading-multi/visibility-hidden/print.o" "../libs/yap/test/print.cpp"

../libs/yap/test/print.cpp: In function ???int main()???:
../libs/yap/test/print.cpp:774:45: error: return type of ???constexpr auto boost::yap::operator==(const boost::yap::expression<Kind, Tuple>&, Expr&&) [with boost::yap::expr_kind Kind = boost::yap::expr_kind::terminal; Tuple = boost::hana::tuple<double>; Expr = boost::yap::expression<boost::yap::expr_kind::terminal, boost::hana::tuple<double> >&]??? is not ???bool???
  774 |             nonconst_equal_to_const = unity == const_unity;
      |                                       ~~~~~~^~~~~~~~~~~~~~
../libs/yap/test/print.cpp:774:45: note: used as rewritten candidate for comparison of ???term<double>??? {aka ???boost::yap::expression<boost::yap::expr_kind::terminal, boost::hana::tuple<double> >???} and ???term<double>??? {aka ???const boost::yap::expression<boost::yap::expr_kind::terminal, boost::hana::tuple<double> >???}
../libs/yap/test/print.cpp:851:49: error: return type of ???constexpr auto boost::yap::operator==(const boost::yap::expression<Kind, Tuple>&, Expr&&) [with boost::yap::expr_kind Kind = boost::yap::expr_kind::terminal; Tuple = boost::hana::tuple<double>; Expr = boost::yap::expression<boost::yap::expr_kind::terminal, boost::hana::tuple<double> >&]??? is not ???bool???
  851 |             nonconst_not_equal_to_const = unity != const_unity;
      |                                           ~~~~~~^~~~~~~~~~~~~~
../libs/yap/test/print.cpp:851:49: note: used as rewritten candidate for comparison of ???term<double>??? {aka ???boost::yap::expression<boost::yap::expr_kind::terminal, boost::hana::tuple<double> >???} and ???term<double>??? {aka ???const boost::yap::expression<boost::yap::expr_kind::terminal, boost::hana::tuple<double> >???}