   0  getfield_gc_r %r0, FieldDescr<pypy.module.mmap.interp_mmap.W_MMap.inst_mmap> -> %r0
   5  inline_call_r_v <JitCode 'MMap.close'>, R[%r0]
  10  -live-
  13  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
