code: def test_stack_state2(self):
      def fn(a, b):
          t1 = 1.23 * a
          t2 = 4.56 * a
          c1 = a - b
          c2 = b - a
          return t1 / (t2 - indirectly_unsupported(c1, c2))
  
      self._common(fn, 3, 7)
  
imports: from unittest.mock import patch
  import torch
  import torch._dynamo.test_case
  import torch._dynamo.testing
  from torch._dynamo.testing import unsupported
  from torch._dynamo.utils import ifdynstaticdefault
label_desc: Use image node_id 14 for calling the SubGraphTests obj's underlying member method code with example usage: obj.test_stack_state2() and returns: unknown