folly @2024.06.03.00 fails on Catalina and below with libc++: error: no matching constructor for initialization of 'std::function<LocalRefCount ()>'

[barracuda156]

In file included from /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/Singleton.cpp:17:
In file included from /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/Singleton.h:134:
In file included from /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/concurrency/CoreCachedSharedPtr.h:27:
In file included from /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/synchronization/Hazptr.h:20:
In file included from /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/synchronization/HazptrDomain.h:29:
In file included from /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/synchronization/HazptrThrLocal.h:27:
In file included from /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/SingletonThreadLocal.h:25:
/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/ThreadLocal.h:64:9: error: no matching constructor for initialization of 'std::function<LocalRefCount ()>'
      : constructor_(std::forward<F>(constructor)) {}
        ^            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/experimental/TLRefCount.h:30:9: note: in instantiation of function template specialization 'folly::ThreadLocal<folly::TLRefCount::LocalRefCount, folly::TLRefCount>::ThreadLocal<(lambda at /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/experimental/TLRefCount.h:30:21), 0>' requested here
      : localCount_([&]() { return LocalRefCount(*this); }),
        ^
/opt/local/include/libcxx/v1/functional:2366:5: note: candidate constructor not viable: no known conversion from '(lambda at /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/experimental/TLRefCount.h:30:21)' to 'nullptr_t' (aka 'std::nullptr_t') for 1st argument
    function(nullptr_t) _NOEXCEPT {}
    ^
/opt/local/include/libcxx/v1/functional:2367:5: note: candidate constructor not viable: no known conversion from '(lambda at /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/experimental/TLRefCount.h:30:21)' to 'const function<LocalRefCount ()>' for 1st argument
    function(const function&);
    ^
/opt/local/include/libcxx/v1/functional:2368:5: note: candidate constructor not viable: no known conversion from '(lambda at /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/experimental/TLRefCount.h:30:21)' to 'function<LocalRefCount ()>' for 1st argument
    function(function&&) _NOEXCEPT;
    ^
/opt/local/include/libcxx/v1/functional:2370:5: note: candidate template ignored: requirement '__callable<(lambda at /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/experimental/TLRefCount.h:30:21) &, true>::value' was not satisfied [with _Fp = (lambda at /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_devel_folly/folly/work/folly-v2024.06.03.00/folly/experimental/TLRefCount.h:30:21)]
    function(_Fp);
    ^
/opt/local/include/libcxx/v1/functional:2364:5: note: candidate constructor not viable: requires 0 arguments, but 1 was provided
    function() _NOEXCEPT { }
    ^
1 error generated.