message: fix unreachable statement
diff: @@ -547,9 +547,9 @@ public:
  make_temporary_clone(exec, b).get(),
  make_temporary_clone(exec, beta).get(),
  make_temporary_clone(exec, x).get());
  - return self();
  this->template log<log::Logger::linop_advanced_apply_completed>(
  this, alpha, b, beta, x);
  + return self();
  }
  protected:
  