   0  residual_call_r_r $<* fn _ll_0_alloc_with_del___>, R[], <CallDescr() EF=5> -> %r0
   6  -live- %r0
   6  setfield_gc_i %r0, $<* None>, FieldDescr<pypy.module._multiprocessing.interp_connection.W_BaseConnection.inst_buffer>
  11  setfield_gc_i %r0, $-1, FieldDescr<pypy.module._multiprocessing.interp_connection.W_FileConnection.inst_fd>
  16  ref_return %r0
