   0  residual_call_ir_i $<* fn ll_os.ll_os_isatty>, I[%i0], R[], <CallDescr(i) EF=7> -> %i0
   8  -live- %i0
   8  catch_exception L1
  11  -live- %i0
  11  goto_if_not %i0, L2
  15  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
  17  ---
  17  L2:
  17  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
  19  ---
  19  L1:
  19  goto_if_exception_mismatch $<* struct object_vtable>, L3
  23  last_exc_value -> %r0
  25  inline_call_r_r <JitCode 'wrap_oserror2__w_OSError'>, R[%r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, $<* struct rpy_string>, $<* struct pypy.objspace.std.typeobject.W_TypeObject>] -> %r0
  34  -live- %r0
  34  -live- %r0
  34  guard_class %r0 -> %i0
  37  -live- %r0
  37  raise %r0
  39  ---
  39  L3:
  39  reraise
