message: [MLIR] Fix opt build
diff: @@ -464,6 +464,7 @@ static void emitSlice(MaterializationState *state,
  // slice are topologically sorted, we can just clone them in order.
  for (auto *stmt : *slice) {
  auto fail = cloneAndInsertHardwareVectorInstance(stmt, &scopedState);
  + (void)fail;
  assert(!fail && "Unhandled super-vector materialization failure");
  }
  }
  