   0  inline_call_r_r <JitCode 'ObjSpace.bufferstr_w'>, R[%r0] -> %r0
   6  -live- %r0
   6  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x53a2ae30> -> %r1
  10  setfield_gc_i %r1, $<* None>, FieldDescr<pypy.module._hashlib.interp_hashlib.W_Hash.inst_ctx>
  15  inline_call_ir_v <JitCode 'W_Hash.__init__'>, I[$<* None>], R[%r1, $<* struct rpy_string>]
  23  -live- %r0, %r1
  23  inline_call_r_v <JitCode 'W_Hash.update'>, R[%r1, %r0]
  29  -live- %r1
  29  ref_return %r1
