   0  inline_call_ir_r <JitCode 'interp_w__W_CPPInstance'>, I[$False], R[%r0] -> %r0
   8  -live- %r0, %r1
   8  residual_call_r_r $<* fn W_CPPInstance.instance__eq__>, R[%r0, %r1], <CallDescr(rr) EF=7> -> %r0
  16  -live- %r0
  16  ref_return %r0
