error: no match for ternary ‘operator?:’ in
‘((writerfilter::dmapper::DomainMapper_Impl*)this)->writerfilter::dmapper::DomainMapper_Impl::m_aFieldStack.std::stack<_Tp,
_Sequence>::empty<boost::shared_ptr<writerfilter::dmapper::FieldContext>,
std::deque<boost::shared_ptr<writerfilter::dmapper::FieldContext>,
std::allocator<boost::shared_ptr<writerfilter::dmapper::FieldContext> > > >() ?
nullptr :
((writerfilter::dmapper::DomainMapper_Impl*)this)->writerfilter::dmapper::DomainMapper_Impl::m_aFieldStack.std::stack<_Tp,
_Sequence>::top<boost::shared_ptr<writerfilter::dmapper::FieldContext>,
std::deque<boost::shared_ptr<writerfilter::dmapper::FieldContext>,
std::allocator<boost::shared_ptr<writerfilter::dmapper::FieldContext> > > >()’

Change-Id: I76c7507390bcf80f6ca722c4eedfd65c9a46952f