c4ce76c5" title="The (internally used) session master channel is a transport::struc::Channel of this concrete type.">Master_structured_channel</a> in <code>*this</code> is closed; and then <code>*this</code> goes away altogether right away/synchronously. Soon B's <a class="el" href="classipc_1_1session_1_1Session__base.html#a26d038e14e3c0e461e76de88c4ce76c5" title="The (internally used) session master channel is a transport::struc::Channel of this concrete type.">Master_structured_channel</a> throws the gra