   0  residual_call_r_r $<* fn _ll_0_alloc_with_del___>, R[], <CallDescr() EF=5> -> %r0
   6  -live- %r0
   6  setfield_gc_r %r0, $<* array [  ]>, FieldDescr<pypy.module.exceptions.interp_exceptions.W_BaseException.inst_args_w>
  11  setfield_gc_r %r0, $<* array [  ]>, FieldDescr<pypy.interpreter.typedef.W_BlockingIOErrorUserSlots.inst_slots_w>
  16  ref_return %r0
