Test output: teeks99-dkr-dg11 - serialization - test_variant_text_warchive / gcc-11~c++17
Rev 8a1a5f3a64b5f11de2ff03a1d6fb9372a5c51e66 / Fri, 15 Nov 2024 12:51:37 +0000
Compile [2024-11-15 15:26:09 UTC]: fail


    "g++-11"   -fvisibility-inlines-hidden -std=c++17 -fPIC -m64 -pthread -O0 -fno-inline -Wall -fvisibility=hidden -Wno-unused-variable -Wno-long-long -Winvalid-pch -DBOOST_ALL_NO_LIB=1 -DBOOST_ARCHIVE_TEST=text_warchive.hpp -DBOOST_ATOMIC_DYN_LINK=1 -DBOOST_ATOMIC_NO_LIB=1 -DBOOST_BUILD_PCH_ENABLED -DBOOST_CHRONO_DYN_LINK=1 -DBOOST_CHRONO_NO_LIB=1 -DBOOST_COBALT_USE_STD_PMR=1 -DBOOST_CONTAINER_DYN_LINK=1 -DBOOST_CONTAINER_NO_LIB=1 -DBOOST_FILESYSTEM_DYN_LINK=1 -DBOOST_FILESYSTEM_NO_LIB=1 -DBOOST_HAS_ICU=1 -DBOOST_LIB_DIAGNOSTIC=1 -DBOOST_MATH_TR1_NO_LIB=1 -DBOOST_RANDOM_DYN_LINK=1 -DBOOST_RANDOM_NO_LIB=1 -DBOOST_REGEX_NO_LIB=1 -DBOOST_SERIALIZATION_DYN_LINK=1 -DBOOST_SERIALIZATION_NO_LIB=1 -DBOOST_SYSTEM_DYN_LINK=1 -DBOOST_SYSTEM_NO_LIB=1 -DBOOST_THREAD_BUILD_DLL=1 -DBOOST_THREAD_POSIX -DBOOST_THREAD_USE_DLL=1 -DBOOST_WSERIALIZATION_DYN_LINK=1   -I".." -I"/var/boost/run/boost_root/libs/assert/include" -I"/var/boost/run/boost_root/libs/atomic/include" -I"/var/boost/run/boost_root/libs/bind/include" -I"/var/boost/run/boost_root/libs/chrono/include" -I"/var/boost/run/boost_root/libs/container/include" -I"/var/boost/run/boost_root/libs/container_hash/include" -I"/var/boost/run/boost_root/libs/core/include" -I"/var/boost/run/boost_root/libs/describe/include" -I"/var/boost/run/boost_root/libs/detail/include" -I"/var/boost/run/boost_root/libs/endian/include" -I"/var/boost/run/boost_root/libs/filesystem/include" -I"/var/boost/run/boost_root/libs/function/include" -I"/var/boost/run/boost_root/libs/function_types/include" -I"/var/boost/run/boost_root/libs/fusion/include" -I"/var/boost/run/boost_root/libs/integer/include" -I"/var/boost/run/boost_root/libs/intrusive/include" -I"/var/boost/run/boost_root/libs/iterator/include" -I"/var/boost/run/boost_root/libs/lexical_cast/include" -I"/var/boost/run/boost_root/libs/math/include" -I"/var/boost/run/boost_root/libs/move/include" -I"/var/boost/run/boost_root/libs/mp11/include" -I"/var/boost/run/boost_root/libs/optional/include" -I"/var/boost/run/boost_root/libs/phoenix/include" -I"/var/boost/run/boost_root/libs/predef/include" -I"/var/boost/run/boost_root/libs/random/include" -I"/var/boost/run/boost_root/libs/ratio/include" -I"/var/boost/run/boost_root/libs/regex/include" -I"/var/boost/run/boost_root/libs/scope/include" -I"/var/boost/run/boost_root/libs/serialization/include" -I"/var/boost/run/boost_root/libs/smart_ptr/include" -I"/var/boost/run/boost_root/libs/spirit/include" -I"/var/boost/run/boost_root/libs/system/include" -I"/var/boost/run/boost_root/libs/throw_exception/include" -I"/var/boost/run/boost_root/libs/tuple/include" -I"/var/boost/run/boost_root/libs/type_index/include" -I"/var/boost/run/boost_root/libs/type_traits/include" -I"/var/boost/run/boost_root/libs/unordered/include" -I"/var/boost/run/boost_root/libs/variant/include" -I"/var/boost/run/boost_root/libs/variant2/include" -I"/var/boost/run/boost_root/libs/winapi/include"  -c -o "/var/boost/run/results/boost/bin.v2/libs/serialization/test/test_variant_text_warchive.test/gcc-11~c++17/debug/x86_64/debug-symbols-off/threading-multi/visibility-hidden/test_variant.o" "../libs/serialization/test/test_variant.cpp"

In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant: In instantiation of 'constexpr decltype(auto) std::visit(_Visitor&&, _Variants&& ...) [with _Visitor = are_equal; _Variants = {const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >&, boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >&}]':
../libs/serialization/test/test_variant.cpp:131:13:   required from 'bool test_type(const Variant&) [with Variant = boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >]'
../libs/serialization/test/test_variant.cpp:173:14:   required from here
/usr/include/c++/11/variant:1742:23: error: 'const class boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' has no member named 'valueless_by_exception'
 1742 |       if ((__variants.valueless_by_exception() || ...))
      |            ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: error: no matching function for call to 'get<0>(const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:223:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(std::pair<_Tp1, _Tp2>&)'
  223 |     get(pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/usr/include/c++/11/utility:223:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   types 'std::pair<_Tp1, _Tp2>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:228:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(std::pair<_Tp1, _Tp2>&&)'
  228 |     get(pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/11/utility:228:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   types 'std::pair<_Tp1, _Tp2>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:233:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(const std::pair<_Tp1, _Tp2>&)'
  233 |     get(const pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/usr/include/c++/11/utility:233:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::pair<_Tp1, _Tp2>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:238:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(const std::pair<_Tp1, _Tp2>&&)'
  238 |     get(const pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/11/utility:238:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::pair<_Tp1, _Tp2>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:247:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_T1, _T2>&)'
  247 |     get(pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:247:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_T1, _T2>&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:252:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_T1, _T2>&)'
  252 |     get(const pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:252:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_T1, _T2>&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:257:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_T1, _T2>&&)'
  257 |     get(pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:257:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_T1, _T2>&&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:262:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_T1, _T2>&&)'
  262 |     get(const pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:262:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_T1, _T2>&&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:267:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_Up, _Tp>&)'
  267 |     get(pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:267:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_Up, _Tp>&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:272:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_Up, _Tp>&)'
  272 |     get(const pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:272:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_Up, _Tp>&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:277:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_Up, _Tp>&&)'
  277 |     get(pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:277:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_Up, _Tp>&&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:282:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_Up, _Tp>&&)'
  282 |     get(const pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:282:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_Up, _Tp>&&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/array:361:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp& std::get(std::array<_Tp, _Nm>&)'
  361 |     get(array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/11/array:361:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   types 'std::array<_Tp, _Nm>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/array:369:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp&& std::get(std::array<_Tp, _Nm>&&)'
  369 |     get(array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/11/array:369:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   types 'std::array<_Tp, _Nm>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/array:377:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp& std::get(const std::array<_Tp, _Nm>&)'
  377 |     get(const array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/11/array:377:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::array<_Tp, _Nm>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/array:385:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp&& std::get(const std::array<_Tp, _Nm>&&)'
  385 |     get(const array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/11/array:385:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::array<_Tp, _Nm>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1377:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >& std::get(std::tuple<_UTypes ...>&)'
 1377 |     get(tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1377:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   types 'std::tuple<_UTypes ...>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1383:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >& std::get(const std::tuple<_UTypes ...>&)'
 1383 |     get(const tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1383:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::tuple<_UTypes ...>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1389:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >&& std::get(std::tuple<_UTypes ...>&&)'
 1389 |     get(tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1389:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   types 'std::tuple<_UTypes ...>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1398:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >&& std::get(const std::tuple<_UTypes ...>&&)'
 1398 |     get(const tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1398:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::tuple<_UTypes ...>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1421:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::tuple<_UTypes ...>&)'
 1421 |     get(tuple<_Types...>& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1421:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::tuple<_UTypes ...>&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1427:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::tuple<_UTypes ...>&&)'
 1427 |     get(tuple<_Types...>&& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1427:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::tuple<_UTypes ...>&&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1433:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const std::tuple<_UTypes ...>&)'
 1433 |     get(const tuple<_Types...>& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1433:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const std::tuple<_UTypes ...>&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1440:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const std::tuple<_UTypes ...>&&)'
 1440 |     get(const tuple<_Types...>&& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1440:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const std::tuple<_UTypes ...>&&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
/usr/include/c++/11/variant:1664:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(std::variant<_Types ...>&)'
 1664 |     get(variant<_Types...>& __v)
      |     ^~~
/usr/include/c++/11/variant:1664:5: note:   template argument deduction/substitution failed:
/usr/include/c++/11/variant:1746:29: note:   types 'std::variant<_Types ...>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1675:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >&& std::get(std::variant<_Types ...>&&)'
 1675 |     get(variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/11/variant:1675:5: note:   template argument deduction/substitution failed:
/usr/include/c++/11/variant:1746:29: note:   types 'std::variant<_Types ...>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1686:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(const std::variant<_Types ...>&)'
 1686 |     get(const variant<_Types...>& __v)
      |     ^~~
/usr/include/c++/11/variant:1686:5: note:   template argument deduction/substitution failed:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::variant<_Types ...>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1697:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >&& std::get(const std::variant<_Types ...>&&)'
 1697 |     get(const variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/11/variant:1697:5: note:   template argument deduction/substitution failed:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::variant<_Types ...>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1089:20: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::variant<_Types ...>&)'
 1089 |     constexpr _Tp& get(variant<_Types...>& __v)
      |                    ^~~
/usr/include/c++/11/variant:1089:20: note:   template argument deduction/substitution failed:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::variant<_Types ...>&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
/usr/include/c++/11/variant:1098:21: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::variant<_Types ...>&&)'
 1098 |     constexpr _Tp&& get(variant<_Types...>&& __v)
      |                     ^~~
/usr/include/c++/11/variant:1098:21: note:   template argument deduction/substitution failed:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::variant<_Types ...>&&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
/usr/include/c++/11/variant:1108:26: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const std::variant<_Types ...>&)'
 1108 |     constexpr const _Tp& get(const variant<_Types...>& __v)
      |                          ^~~
/usr/include/c++/11/variant:1108:26: note:   template argument deduction/substitution failed:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const std::variant<_Types ...>&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
/usr/include/c++/11/variant:1117:27: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const std::variant<_Types ...>&&)'
 1117 |     constexpr const _Tp&& get(const variant<_Types...>&& __v)
      |                           ^~~
/usr/include/c++/11/variant:1117:27: note:   template argument deduction/substitution failed:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const std::variant<_Types ...>&&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
/usr/include/c++/11/variant:1746:29: error: no matching function for call to 'get<0>(const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >&)'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:223:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(std::pair<_Tp1, _Tp2>&)'
  223 |     get(pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/usr/include/c++/11/utility:223:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   types 'std::pair<_Tp1, _Tp2>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:228:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(std::pair<_Tp1, _Tp2>&&)'
  228 |     get(pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/11/utility:228:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   types 'std::pair<_Tp1, _Tp2>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:233:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(const std::pair<_Tp1, _Tp2>&)'
  233 |     get(const pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/usr/include/c++/11/utility:233:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::pair<_Tp1, _Tp2>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:238:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(const std::pair<_Tp1, _Tp2>&&)'
  238 |     get(const pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/11/utility:238:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::pair<_Tp1, _Tp2>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:247:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_T1, _T2>&)'
  247 |     get(pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:247:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_T1, _T2>&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:252:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_T1, _T2>&)'
  252 |     get(const pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:252:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_T1, _T2>&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:257:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_T1, _T2>&&)'
  257 |     get(pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:257:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_T1, _T2>&&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:262:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_T1, _T2>&&)'
  262 |     get(const pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:262:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_T1, _T2>&&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:267:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_Up, _Tp>&)'
  267 |     get(pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:267:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_Up, _Tp>&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:272:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_Up, _Tp>&)'
  272 |     get(const pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:272:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_Up, _Tp>&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:277:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_Up, _Tp>&&)'
  277 |     get(pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:277:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_Up, _Tp>&&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/algorithm:60,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/utility:282:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_Up, _Tp>&&)'
  282 |     get(const pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:282:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_Up, _Tp>&&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/array:361:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp& std::get(std::array<_Tp, _Nm>&)'
  361 |     get(array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/11/array:361:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   types 'std::array<_Tp, _Nm>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/array:369:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp&& std::get(std::array<_Tp, _Nm>&&)'
  369 |     get(array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/11/array:369:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   types 'std::array<_Tp, _Nm>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/array:377:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp& std::get(const std::array<_Tp, _Nm>&)'
  377 |     get(const array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/11/array:377:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::array<_Tp, _Nm>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/array:385:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp&& std::get(const std::array<_Tp, _Nm>&&)'
  385 |     get(const array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/11/array:385:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::array<_Tp, _Nm>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1377:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >& std::get(std::tuple<_UTypes ...>&)'
 1377 |     get(tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1377:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   types 'std::tuple<_UTypes ...>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1383:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >& std::get(const std::tuple<_UTypes ...>&)'
 1383 |     get(const tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1383:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::tuple<_UTypes ...>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1389:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >&& std::get(std::tuple<_UTypes ...>&&)'
 1389 |     get(tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1389:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   types 'std::tuple<_UTypes ...>' and 'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' have incompatible cv-qualifiers
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1398:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >&& std::get(const std::tuple<_UTypes ...>&&)'
 1398 |     get(const tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1398:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: note:   'const boost::variant<bool, int, float, double, const A*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >' is not derived from 'const std::tuple<_UTypes ...>'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1421:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::tuple<_UTypes ...>&)'
 1421 |     get(tuple<_Types...>& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1421:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::tuple<_UTypes ...>&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1427:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::tuple<_UTypes ...>&&)'
 1427 |     get(tuple<_Types...>&& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1427:5: note:   template argument deduction/substitution failed:
In file included from ../boost/serialization/variant.hpp:51,
                 from ../libs/serialization/test/test_variant.cpp:161:
/usr/include/c++/11/variant:1746:29: error: type/value mismatch at argument 1 in template parameter list for 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::tuple<_UTypes ...>&&)'
 1746 |         decltype(std::get<0>(std::declval<_Variants>()))...>;
      |                  ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/variant:1746:29: note:   expected a type, got '0'
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from ../boost/math/tools/config.hpp:215,
                 from ../boost/math/special_functions/next.hpp:13,
                 from ../libs/serialization/test/test_variant.cpp:28:
/usr/include/c++/11/tuple:1433:5: note: candidate: 'template<cla...

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