Trace 0:
  Transitions:
  error: UsageOfUninitializedData()
  error: dereferencing uninitialized pointer (D.nnnnn->field) at tests/cpychecker/absinterp/nested-fields3/input.c:42
  Exception:
    (struct PyObject *)0 from tests/cpychecker/absinterp/nested-fields3/input.c:34
