message: rpc: Assert that passed arg names are equal to hardcoded ones
diff: @@ -112,6 +112,8 @@ public:
  fn().GetArgNames(),
  intptr_t(fn))
  {
  + CHECK_NONFATAL(fn().m_name == name_in);
  + CHECK_NONFATAL(fn().GetArgNames() == args_in);
  }
  //! Simplified constructor taking plain rpcfn_type function pointer.
  