Ambiguous < operation for logical (compiler error)

Reproduce the supplied example with the compiler command and inspect cpp11/logicals.hpp, especially how cpp11::r_bool is compared during std::min. Resolve the ambiguity reported between the int and Rboolean operator< candidates; done when the example compiles without that error.

With the following file

#include <cpp11.hpp>
#include <algorithm>

void c_test(cpp11::logicals t1, cpp11::logicals t2) {
  std::min(t1[0],t2[0]);
}

I get

> cpp11::cpp_source("/home/vspinu/dev/iroll/src/tmp.cpp", quiet = F, clean = F, dir = '/home/vspinu/Dropbox/dev/iroll/')

g++ -std=gnu++11 -I"/home/vspinu/bin/R-4.1.2-bin/include" -DNDEBUG -I'/home/vspinu/.lib/4.1.2/cpp11/include'  -I/usr/local/include   -fpic  -g -O2  -c /home/vspinu/Dropbox/dev/iroll/src/tmp.cpp -o /home/vspinu/Dropbox/dev/iroll/src/tmp.o
In file included from /usr/include/c++/7/algorithm:61:0,
                 from /home/vspinu/.lib/4.1.2/cpp11/include/cpp11/logicals.hpp:3,
                 from /home/vspinu/Dropbox/dev/iroll/src/tmp.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h: In instantiation of ‘const _Tp& std::min(const _Tp&, const _Tp&) [with _Tp = cpp11::r_bool]’:
/home/vspinu/Dropbox/dev/iroll/src/tmp.cpp:6:23:   required from here
/usr/include/c++/7/bits/stl_algobase.h:200:15: error: ambiguous overload for ‘operator<’ (operand types are ‘const cpp11::r_bool’ and ‘const cpp11::r_bool’)
       if (__b < __a)
           ~~~~^~~~~
/usr/include/c++/7/bits/stl_algobase.h:200:15: note: candidate: operator<(int, int) <built-in>
/usr/include/c++/7/bits/stl_algobase.h:200:15: note: candidate: operator<(Rboolean, Rboolean) <built-in>
/home/vspinu/bin/R-4.1.2-bin/etc/Makeconf:177: recipe for target '/home/vspinu/Dropbox/dev/iroll/src/tmp.o' failed
make: *** [/home/vspinu/Dropbox/dev/iroll/src/tmp.o] Error 1
In file included from /usr/include/c++/7/algorithm:61:0,
                 from /home/vspinu/.lib/4.1.2/cpp11/include/cpp11/logicals.hpp:3,
                 from /home/vspinu/Dropbox/dev/iroll/src/tmp.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h: In instantiation of ‘const _Tp& std::min(const _Tp&, const _Tp&) [with _Tp = cpp11::r_bool]’:
/home/vspinu/Dropbox/dev/iroll/src/tmp.cpp:6:23:   required from here
/usr/include/c++/7/bits/stl_algobase.h:200:15: error: ambiguous overload for ‘operator<’ (operand types are ‘const cpp11::r_bool’ and ‘const cpp11::r_bool’)
       if (__b < __a)
           ~~~~^~~~~
/usr/include/c++/7/bits/stl_algobase.h:200:15: note: candidate: operator<(int, int) <built-in>
/usr/include/c++/7/bits/stl_algobase.h:200:15: note: candidate: operator<(Rboolean, Rboolean) <built-in>
make: *** [/home/vspinu/Dropbox/dev/iroll/src/tmp.o] Error 1

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