   0  getfield_gc_r %r0, FieldDescr<pypy.module.bz2.interp_bz2.ReadBZ2Filter.inst_stream> -> %r0
   5  -live- %i0, %r0
   5  goto_if_not %i0, L1
   9  getfield_gc_i %r0, FieldDescr<rpython.rlib.streamio.DiskFile.inst_fd> -> %i0
  14  inline_call_ir_v <JitCode 'close'>, I[%i0], R[]
  20  -live-
  20  void_return
  21  ---
  21  L1:
  21  void_return
