   0  inline_call_r_r <JitCode 'wrap_oserror2__exceptions_IOError'>, R[%r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, $<* struct pypy.objspace.std.typeobject.W_TypeObject>] -> %r0
   8  -live- %r0
  11  ref_return %r0
