auto recreate_caller = [&] {
    auto new_operands = llvm::to_vector<8>(call.getOperands());
    for (int64_t i = 0; i < call.getNumOperands(); ++i) {
      auto arg_it = info.stack_var_arg_to_size_arg.find(i);
      if (arg_it == info.stack_var_arg_to_size_arg.end()) continue;
      auto it = data_var_to_size_var.find(call.getOperand(i));
      if (it == data_var_to_size_var.end()) {
        call.emitOpError("unknown stack");