[Bug c++/53648] New: nested empty tuple

[chesstr at hotmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53648

             Bug #: 53648
           Summary: nested empty tuple
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: ches...@hotmail.com


#include <tuple>

int main(){
    auto b = std::tuple<std::tuple<std::tuple<>>>{};
}

gives : 

error: 'std::_Tuple_impl<1ul>' is an ambiguous base of 'std::_Tuple_impl<0ul,
std::tuple<std::tuple<> > >'