There seems to be some confusion... Ponor has only been nominated as a flag bearer (which she can be so even as an alternate) for the Olympic opening ceremony. The actual gymnastics federation of Romania hasn't released an official statement stating who they're going to pick as their sole WAG athlete yet. Both Ponor and Iordache still have two more friendly competitions to prove themselves, the federation has up to the two weeks right before the games to nominate the athlete.
ETA: Nevermind... just checked RGF's Facebook page, it's confirmed: