[Hahahahhhh yes, yes he did, and wasn't that just the nicest way to meet again? It occurs to him Arthur could mean either his death or Merlin's magic, but seeing as he told him about both -- Gwaine nods.]
He did. [And dammit, Merlin, he still wishes he'd have trusted him with the whole magic thing before. (He's trying not to think about the whole "Arthur died because I pointed Morgana to where he was" thing, thankyouverymuch.)]