   0  residual_call_r_r $<* fn openpty>, R[], <CallDescr() EF=7> -> %r0
   6  -live- %r0
   9  catch_exception L1
  12  getfield_gc_i_pure %r0, FieldDescr<tuple2.item0> -> %i0
  17  getfield_gc_i_pure %r0, FieldDescr<tuple2.item1> -> %i1
  22  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab3c0185d0> -> %r0
  26  setfield_gc_i %r0, %i0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  31  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab3c0185d0> -> %r1
  35  setfield_gc_i %r1, %i1, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  40  inline_call_r_r <JitCode 'wraptuple2'>, R[%r0, %r1] -> %r0
  47  -live- %r0
  50  ref_return %r0
  52  ---
  52  L1:
  52  goto_if_exception_mismatch $<* struct object_vtable>, L2
  56  last_exc_value -> %r0
  58  inline_call_r_r <JitCode 'wrap_oserror2__None'>, R[%r0, $<* struct pypy.interpreter.baseobjspace.W_Root>] -> %r0
  65  -live- %r0
  68  assert_not_none %r0
  70  -live- %r0
  73  guard_class %r0 -> %i0
  76  -live- %r0
  79  raise %r0
  81  ---
  81  L2:
  81  reraise
