   0  -live- %r0, %r1, %r2, %r3
   0  goto_if_not_ptr_iszero %r1, L1
   4  ref_copy $<* struct pypy.interpreter.baseobjspace.W_Root> -> %r1
   7  L2:
   7  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x3fff5b593550> -> %r4
  11  setfield_gc_r %r4, %r2, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  16  inline_call_r_r <JitCode 'call_function__star_3'>, R[%r0, %r1, %r4, %r3] -> %r0
  25  -live-
  25  void_return
  26  ---
  26  L1:
  26  goto L2
