"g++-13"   -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".."  -c -o "/mnt/fs1/run/teeks99-01/run/results/boost/bin.v2/libs/yap/test/reference_returns.test/gcc-13~c++20/debug/riscv_64/debug-symbols-off/threading-multi/visibility-hidden/reference_returns.o" "../libs/yap/test/reference_returns.cpp"

../libs/yap/test/reference_returns.cpp: In function ???int main()???:
../libs/yap/test/reference_returns.cpp:36:57: error: conversion from ???<brace-enclosed initializer list>??? to ???term<reference_returning::number>??? {aka ???boost::yap::expression<boost::yap::expr_kind::terminal, boost::hana::tuple<reference_returning::number> >???} is ambiguous
   36 |         term<reference_returning::number> unity = {{1.0}};
      |                                                         ^
In file included from ../libs/yap/test/reference_returns.cpp:6:
../boost/yap/expression.hpp:142:19: note: candidate: ???constexpr boost::yap::expression<boost::yap::expr_kind::terminal, boost::hana::tuple<T> >::expression(boost::hana::tuple<T>&&) [with T = reference_returning::number]???
  142 |         constexpr expression(hana::tuple<T> && rhs) : elements(std::move(rhs))
      |                   ^~~~~~~~~~
../boost/yap/expression.hpp:139:19: note: candidate: ???constexpr boost::yap::expression<boost::yap::expr_kind::terminal, boost::hana::tuple<T> >::expression(const boost::hana::tuple<T>&) [with T = reference_returning::number]???
  139 |         constexpr expression(hana::tuple<T> const & rhs) : elements(rhs) {}
      |                   ^~~~~~~~~~
../boost/yap/expression.hpp:136:19: note: candidate: ???constexpr boost::yap::expression<boost::yap::expr_kind::terminal, boost::hana::tuple<T> >::expression(T&&) [with T = reference_returning::number]???
  136 |         constexpr expression(T && t) : elements(static_cast<T &&>(t)) {}
      |                   ^~~~~~~~~~