"Member is not a structure or union" build failure(s) — clang 11.0.0

The following use case is failing with clang while working with g++
template
struct ContTokenizer
{
    typedef typename Container::const_iterator const_iterator;

    ContTokenizer(Container* cont)
        {
            cont.begin();
        }
};
PackageVersionSupposed error messageFull log Bug report
orocos-bfl 0.8.0-5mixtureParticleFilter.cpp:105:27: error: member reference base type 'Mixture *' is not a structure or union Log
pktools 2.6.7.6+ds-2Filter.h:800:52: error: member reference base type 'T *' is not a structure or union Log

2 errors