   0  inline_call_ir_r <JitCode 'interp_w__Function'>, I[$False], R[%r0] -> %r0
   8  -live- %r0
   8  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x4d15bc30> -> %r1
  12  inline_call_r_v <JitCode 'BuiltinFunction.__init__'>, R[%r1, %r0]
  18  -live- %r1
  18  ref_return %r1
