   0  inline_call_ir_r <JitCode 'interp_w__W_CPPInstance'>, I[$False], R[%r0] -> %r0
   8  -live- %r0, %r1
  11  inline_call_r_r <JitCode 'W_CPPInstance.instance__cmp__'>, R[%r0, %r1] -> %r0
  18  -live- %r0
  21  ref_return %r0
