   0  getfield_gc_i_pure %r0, FieldDescr<pypy.interpreter.gateway.BuiltinActivation_UwS_ObjSpace_bufferstr.inst_behavior> -> %i0
   5  getarrayitem_gc_r %r1, $0, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000563a58f50a30> -> %r0
  11  inline_call_r_r <JitCode 'ObjSpace.bufferstr_w'>, R[%r0] -> %r0
  17  -live- %i0, %r0
  20  residual_call_r_r %i0, R[%r0], <CallDescr(r) EF=7> -> %r0
  27  -live- %r0
  30  ref_return %r0
