message: make variable explicitly unused
diff: @@ -61,7 +61,7 @@ void StatementVerifier::CheckExpressions(const StatementVerifier &other) const {
  for (idx_t i = 0; i < expr_count; i++) {
  D_ASSERT(!select_list[i]->Equals(nullptr));
  // Run the ToString, to verify that it doesn't crash
  - auto str = select_list[i]->ToString();
  + select_list[i]->ToString();
  if (select_list[i]->HasSubquery()) {
  continue;
  