code: def test_builtin_function_same(self):
      class Caller(torch.nn.Module):
          def __init__(self, fn):
              super().__init__()
              self.fn = fn
  
          def forward(self, input):
              return self.fn(input, input)
  
      c1 = Caller(torch.add)
      c2 = Caller(torch.add)
  
      self.assertSameType(c1, c2)
  
imports: import os
  import sys
  import io
  import torch
  from torch.testing._internal.jit_utils import JitTestCase
  from torch.testing._internal.common_utils import suppress_warnings
label_desc: Use image node_id 14 for calling the TestTypeSharing obj's underlying member method code with example usage: obj.test_builtin_function_same() and returns: self