"g++-15"   -fvisibility-inlines-hidden -std=c++14 -fPIC -m64 -pthread -O0 -fno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DBOOST_CHARCONV_DYN_LINK=1 -DBOOST_CHARCONV_NO_LIB=1   -I".." -I"../libs/config/include" -I"/var/boost/run/boost_root/libs/assert/include" -I"/var/boost/run/boost_root/libs/bind/include" -I"/var/boost/run/boost_root/libs/charconv/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/function/include" -I"/var/boost/run/boost_root/libs/function_types/include" -I"/var/boost/run/boost_root/libs/functional/include" -I"/var/boost/run/boost_root/libs/fusion/include" -I"/var/boost/run/boost_root/libs/hana/include" -I"/var/boost/run/boost_root/libs/io/include" -I"/var/boost/run/boost_root/libs/mp11/include" -I"/var/boost/run/boost_root/libs/mpl/include" -I"/var/boost/run/boost_root/libs/parser/include" -I"/var/boost/run/boost_root/libs/predef/include" -I"/var/boost/run/boost_root/libs/preprocessor/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/typeof/include" -I"/var/boost/run/boost_root/libs/utility/include"  -c -o "/var/boost/run/results/boost/bin.v2/libs/parser/test/parse_coords_new.test/gcc-15~c++14/debug/x86_64/debug-symbols-off/threading-multi/visibility-hidden/parse_coords_new.o" "../libs/parser/test/parse_coords_new.cpp"

In file included from ../boost/parser/detail/text/concepts.hpp:10,
                 from ../boost/parser/detail/text/detail/algorithm.hpp:9,
                 from ../boost/parser/subrange.hpp:10,
                 from ../boost/parser/config.hpp:108,
                 from ../libs/parser/test/parse_coords_new.cpp:10:
../boost/parser/detail/text/utf.hpp: In function ???constexpr boost::parser::detail::text::format boost::parser::detail::text::detail::format_of()???:
../boost/parser/detail/text/utf.hpp:25:16: warning: ???if constexpr??? only available with ???-std=c++17??? or ???-std=gnu++17??? [-Wc++17-extensions]
   25 |             if constexpr (
      |                ^~~~~~~~~
../boost/parser/detail/text/utf.hpp:26:22: error: ???is_same_v??? is not a member of ???std???; did you mean ???is_same???? [-Wtemplate-body]
   26 |                 std::is_same_v<T, char>
      |                      ^~~~~~~~~
      |                      is_same
../boost/parser/detail/text/utf.hpp:26:33: error: expected primary-expression before ???,??? token [-Wtemplate-body]
   26 |                 std::is_same_v<T, char>
      |                                 ^
../boost/parser/detail/text/utf.hpp:26:35: error: expected primary-expression before ???char??? [-Wtemplate-body]
   26 |                 std::is_same_v<T, char>
      |                                   ^~~~
../boost/parser/detail/text/utf.hpp:26:34: error: expected ???)??? before ???char??? [-Wtemplate-body]
   26 |                 std::is_same_v<T, char>
      |                                  ^~~~~
      |                                  )
../boost/parser/detail/text/utf.hpp:25:26: note: to match this ???(???
   25 |             if constexpr (
      |                          ^
../boost/parser/detail/text/utf.hpp:33:22: error: ???is_same_v??? is not a member of ???std???; did you mean ???is_same???? [-Wtemplate-body]
   33 |                 std::is_same_v<T, char16_t>
      |                      ^~~~~~~~~
      |                      is_same
../boost/parser/detail/text/utf.hpp:33:33: error: expected primary-expression before ???,??? token [-Wtemplate-body]
   33 |                 std::is_same_v<T, char16_t>
      |                                 ^
../boost/parser/detail/text/utf.hpp:33:35: error: expected primary-expression before ???char16_t??? [-Wtemplate-body]
   33 |                 std::is_same_v<T, char16_t>
      |                                   ^~~~~~~~
../boost/parser/detail/text/utf.hpp:33:34: error: expected ???)??? before ???char16_t??? [-Wtemplate-body]
   33 |                 std::is_same_v<T, char16_t>
      |                                  ^~~~~~~~~
      |                                  )
../boost/parser/detail/text/utf.hpp:32:23: note: to match this ???(???
   32 |             } else if (
      |                       ^
../boost/parser/detail/text/concepts.hpp: At global scope:
../boost/parser/detail/text/concepts.hpp:217:14: error: ???is_same_v??? is not a member of ???std???; did you mean ???is_same????
  217 |         std::is_same_v<T, char16_t> || std::is_same_v<T, char32_t> ||
      |              ^~~~~~~~~
      |              is_same
../boost/parser/detail/text/concepts.hpp:217:25: error: expected primary-expression before ???,??? token
  217 |         std::is_same_v<T, char16_t> || std::is_same_v<T, char32_t> ||
      |                         ^