   0  inline_call_r_i <JitCode 'allocate_ll_lock'>, R[] -> %i0
   5  -live- %i0
   5  residual_call_r_r $<* fn _ll_0_alloc_with_del___>, R[], <CallDescr() EF=5> -> %r0
  11  -live- %i0, %r0
  11  setfield_gc_i %r0, %i0, FieldDescr<rpython.rlib.rthread.Lock.inst__lock>
  16  ref_return %r0
