   0  -live- %i0, %r0
   3  goto_if_not %i0, L1
   7  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.module._cffi_backend.cdataobj.W_CDataFromBuffer.inst_w_keepalive>
  12  void_return
  13  ---
  13  L1:
  13  void_return
