call to immediate function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg(size_t)::(anonymous class)::operator()<bool>' is not a constant expression

Hello, Unfortunately, fbinfer no longer works on Arch Linux. ``` /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4013:15: error: call to immediate function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg(size_t)::(anonymous class)::operator()<bool>' is not a constant expression 4013 | return std::forward<_Visitor>(__vis)(_M_val._M_bool); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4106:20: note: in instantiation of function template specialization 'std::basic_format_arg<std::basic_format_context<std::__format::_Sink_iter<char>, char>>::_M_visit<(lambda at /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4593:31)>' requested here 4106 | return __arg._M_visit(std::forward<_Visitor>(__vis), __arg._M_type); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4593:12: note: in instantiation of function template specialization 'std::__format::__visit_format_arg<(lambda at /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4593:31), std::basic_format_context<std::__format::_Sink_iter<char>, char>>' requested here 4593 | __format::__visit_format_arg([this](auto& __arg) { |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4760:55: note: in instantiation of member function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg' requested here 4760 | _Formatting_scanner<_Sink_iter<_CharT>, _CharT> __scanner(__ctx, __fmt); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4760:55: note: in instantiation of template class 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>' requested here /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4819:24: note: in instantiation of function template specialization 'std::__format::__do_vformat_to<std::__format::_Sink_iter<char>, char, std::basic_format_context<std::__format::_Sink_iter<char>, char>>' requested here 4819 | { return __format::__do_vformat_to(std::move(__out), __fmt, __args); } |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4854:10: note: in instantiation of function template specialization 'std::vformat_to<std::__format::_Sink_iter<char>>' requested here 4854 | std::vformat_to(__buf.out(), __fmt, __args); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4013:38: note: function parameter '__vis' with unknown value cannot be used in a constant expression 4013 | return std::forward<_Visitor>(__vis)(_M_val._M_bool); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4005:22: note: declared here 4005 | _M_visit(_Visitor&& __vis, __format::_Arg_t __type) |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4015:15: error: call to immediate function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg(size_t)::(anonymous class)::operator()<char>' is not a constant expression 4015 | return std::forward<_Visitor>(__vis)(_M_val._M_c); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4015:38: note: function parameter '__vis' with unknown value cannot be used in a constant expression 4015 | return std::forward<_Visitor>(__vis)(_M_val._M_c); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4005:22: note: declared here 4005 | _M_visit(_Visitor&& __vis, __format::_Arg_t __type) |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4017:15: error: call to immediate function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg(size_t)::(anonymous class)::operator()<int>' is not a constant expression 4017 | return std::forward<_Visitor>(__vis)(_M_val._M_i); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4017:38: note: function parameter '__vis' with unknown value cannot be used in a constant expression 4017 | return std::forward<_Visitor>(__vis)(_M_val._M_i); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4005:22: note: declared here 4005 | _M_visit(_Visitor&& __vis, __format::_Arg_t __type) |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4019:15: error: call to immediate function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg(size_t)::(anonymous class)::operator()<unsigned int>' is not a constant expression 4019 | return std::forward<_Visitor>(__vis)(_M_val._M_u); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4019:38: note: function parameter '__vis' with unknown value cannot be used in a constant expression 4019 | return std::forward<_Visitor>(__vis)(_M_val._M_u); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4005:22: note: declared here 4005 | _M_visit(_Visitor&& __vis, __format::_Arg_t __type) |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4021:15: error: call to immediate function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg(size_t)::(anonymous class)::operator()<long long>' is not a constant expression 4021 | return std::forward<_Visitor>(__vis)(_M_val._M_ll); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4021:38: note: function parameter '__vis' with unknown value cannot be used in a constant expression 4021 | return std::forward<_Visitor>(__vis)(_M_val._M_ll); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4005:22: note: declared here 4005 | _M_visit(_Visitor&& __vis, __format::_Arg_t __type) |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4023:15: error: call to immediate function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg(size_t)::(anonymous class)::operator()<unsigned long long>' is not a constant expression 4023 | return std::forward<_Visitor>(__vis)(_M_val._M_ull); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4023:38: note: function parameter '__vis' with unknown value cannot be used in a constant expression 4023 | return std::forward<_Visitor>(__vis)(_M_val._M_ull); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4005:22: note: declared here 4005 | _M_visit(_Visitor&& __vis, __format::_Arg_t __type) |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4026:15: error: call to immediate function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg(size_t)::(anonymous class)::operator()<float>' is not a constant expression 4026 | return std::forward<_Visitor>(__vis)(_M_val._M_flt); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4026:38: note: function parameter '__vis' with unknown value cannot be used in a constant expression 4026 | return std::forward<_Visitor>(__vis)(_M_val._M_flt); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4005:22: note: declared here 4005 | _M_visit(_Visitor&& __vis, __format::_Arg_t __type) |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4028:15: error: call to immediate function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg(size_t)::(anonymous class)::operator()<double>' is not a constant expression 4028 | return std::forward<_Visitor>(__vis)(_M_val._M_dbl); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4028:38: note: function parameter '__vis' with unknown value cannot be used in a constant expression 4028 | return std::forward<_Visitor>(__vis)(_M_val._M_dbl); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4005:22: note: declared here 4005 | _M_visit(_Visitor&& __vis, __format::_Arg_t __type) |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4031:15: error: call to immediate function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg(size_t)::(anonymous class)::operator()<long double>' is not a constant expression 4031 | return std::forward<_Visitor>(__vis)(_M_val._M_ldbl); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4031:38: note: function parameter '__vis' with unknown value cannot be used in a constant expression 4031 | return std::forward<_Visitor>(__vis)(_M_val._M_ldbl); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4005:22: note: declared here 4005 | _M_visit(_Visitor&& __vis, __format::_Arg_t __type) |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4040:15: error: call to immediate function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg(size_t)::(anonymous class)::operator()<const char *>' is not a constant expression 4040 | return std::forward<_Visitor>(__vis)(_M_val._M_str); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4040:38: note: function parameter '__vis' with unknown value cannot be used in a constant expression 4040 | return std::forward<_Visitor>(__vis)(_M_val._M_str); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4005:22: note: declared here 4005 | _M_visit(_Visitor&& __vis, __format::_Arg_t __type) |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4042:15: error: call to immediate function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg(size_t)::(anonymous class)::operator()<std::basic_string_view<char>>' is not a constant expression 4042 | return std::forward<_Visitor>(__vis)(_M_val._M_sv); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4042:38: note: function parameter '__vis' with unknown value cannot be used in a constant expression 4042 | return std::forward<_Visitor>(__vis)(_M_val._M_sv); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4005:22: note: declared here 4005 | _M_visit(_Visitor&& __vis, __format::_Arg_t __type) |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4044:15: error: call to immediate function 'std::__format::_Formatting_scanner<std::__format::_Sink_iter<char>, char>::_M_format_arg(size_t)::(anonymous class)::operator()<const void *>' is not a constant expression 4044 | return std::forward<_Visitor>(__vis)(_M_val._M_ptr); |  ^ /usr/lib64/gcc/x86_64-pc-linux-gnu/15.2.1/../../../../include/c++/15.2.1/format:4044:38: ``` Full log: [infer.txt](https://github.com/user-attachments/files/24064236/infer.txt) [infer-out.zip](https://github.com/user-attachments/files/24064270/infer-out.zip) Code: https://codeberg.org/mark22k/mping-sender/src/commit/c21d359ae11413fd0e1efda1592680046fb4e95e