code: def test_on_cpu(self, dtype, device):
      def fn(x):
          a = torch.rand_like(x) * x
          a = torch.rand_like(x) * a
          return a
  
      x = torch.rand(10, device=device, dtype=dtype)
  
      aot_fn = aot_function(fn, nop)
      with self.assertRaises(RuntimeError):
          aot_fn(x)
  
imports: import sys
  import unittest
  import torch
  from torch.testing._internal.common_utils import TestCase, run_tests
  from torch.testing._internal.common_device_type import instantiate_device_type_tests, dtypes
  from functorch.compile import aot_function, nop, min_cut_rematerialization_partition
  from unittest.mock import patch
  import functools
  import torch.utils.checkpoint
  from torch.testing._internal.common_utils import IS_CI, IS_WINDOWS
label_desc: Use image node_id 1 for calling the NegativeTest obj's underlying member method code with example usage: obj.test_on_cpu(dtype, device) and returns: a