code: def test_use_and_specialize(self):
      cnt = CompileCounter()
  
      @torch.compile(backend=cnt, fullgraph=True, dynamic=True)
      def fn(x, y):
          x = x + y
          if y == 2:
              return x - 1
          else:
              return x + 1
  
      self.assertTrue(same(fn(torch.tensor([5]), 2), 6))
      self.assertTrue(same(fn(torch.tensor([6]), 2), 7))
      self.assertTrue(same(fn(torch.tensor([5]), 3), 9))
      self.assertTrue(same(fn(torch.tensor([4]), 3), 8))
      self.assertEqual(cnt.frame_count, 2)
  
imports: import math
  import random
  import unittest
  import numpy
  import torch
  import torch._dynamo.test_case
  import torch._dynamo.testing
  import torch.nn.functional
  from torch._dynamo.comptime import comptime
  from torch._dynamo.testing import CompileCounter, same
label_desc: Use image node_id 10 for calling the UnspecTests obj's underlying member method code with example usage: obj.test_use_and_specialize() and returns: unknown, unknown