   0  inline_call_r_r <JitCode 'getlifeline'>, R[%r0] -> %r2
   6  -live- %r0, %r1, %r2
   6  -live- %r0, %r1, %r2
   6  goto_if_not_ptr_iszero %r1, L1
  10  L2:
  10  residual_call_r_r $<* fn WeakrefLifeline.get_or_make_proxy>, R[%r2, %r0], <CallDescr(rr) EF=7> -> %r1
  18  -live- %r1
  18  ref_return %r1
  20  ---
  20  L1:
  20  inline_call_r_i <JitCode 'W_Root.is_w'>, R[$<* struct pypy.interpreter.baseobjspace.W_Root>, %r1] -> %i0
  27  -live- %i0, %r0, %r1, %r2
  27  -live- %i0, %r0, %r1, %r2
  27  goto_if_not %i0, L3
  31  goto L2
  34  ---
  34  L3:
  34  residual_call_r_r $<* fn WeakrefLifeline.make_proxy_with_callback>, R[%r2, %r0, %r1], <CallDescr(rrr) EF=7> -> %r1
  43  -live- %r1
  43  ref_return %r1
