"clang++-17"   -Wno-c99-extensions -std=c++20 -Wall -Wextra -fPIC -O0 -fno-inline -Wall -Wextra -m64 --target=x86_64-pc-linux -Wno-unknown-warning-option -Wno-unused-but-set-variable -Wno-unused-parameter -DBOOST_ALL_NO_LIB=1 -DBOOST_COBALT_USE_STD_PMR=1 -DBOOST_SYSTEM_DYN_LINK=1 -DBOOST_SYSTEM_NO_LIB=1 -DBOOST_URL_DYN_LINK=1 -DBOOST_URL_MAX_SIZE=16 -DBOOST_URL_NO_LIB -DBOOST_URL_NO_LIB=1 -DBOOST_URL_STATIC_LINK   -I".." -I"../libs/url/extra" -I"../libs/url/test/limits" -I"/var/boost/run/boost_root/libs/assert/include" -I"/var/boost/run/boost_root/libs/core/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/predef/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/type_traits/include" -I"/var/boost/run/boost_root/libs/url/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/url/test/limits/limits.test/clang-linux-17~c++20~warn/debug/x86_64/debug-symbols-off/rfc/detail/hier_part_rule.o" "/var/boost/run/boost_root/libs/url/src/rfc/detail/hier_part_rule.cpp"

In file included from /var/boost/run/boost_root/libs/url/src/rfc/detail/hier_part_rule.cpp:12:
In file included from /var/boost/run/boost_root/libs/url/src/rfc/detail/hier_part_rule.hpp:14:
In file included from ../boost/url/pct_string_view.hpp:18:
../boost/url/grammar/string_view_base.hpp:867:16: error: use of undeclared identifier 'hash_value'
        return hash_value(s.s_);
               ^
1 error generated.