op.getFunctionList().getAsRange<SymbolRefAttr>());
  if (failed(
          SymbolizeCustomCallCalledIndex(*stablehlo_module, function_list))) {
    return failure();
  }
  op.removeFunctionListAttr();

  MoveFunctions(symbol_tables, *stablehlo_module, module);

  // Module is deserialized, we set an empty string to it instead removing
  // it because it's a required attribute.
  op.setModule("");