message: Return uniquer_ptr with std::move.
diff: @@ -86,7 +86,7 @@ private:
  auto const_filter = make_unique<ConstantFilter>(comp_expr->type, const_value);
  conj_filter->child_filters.push_back(move(const_filter));
  }
  - return conj_filter;
  + return move(conj_filter);
  }
  private:
  