[clang] [clang] assume_aligned incorrectly diagnoses a dependent return type (PR #111573)

[Erich Keane via cfe-commits]

erichkeane wrote:

> This part in ObjectiveC tests conflict with the current solution, any suggestion how we can go around it right now until to be handled later
> 
> https://github.com/llvm/llvm-project/blob/18952bdcd6f987620e6396261c2bb444e428e07e/clang/test/SemaObjCXX/noescape.mm#L202-L205
> 
> @erichkeane @AaronBallman

Doesn't the fixme above that say it was diagnosing unintentionally?  If so, that fixme likely needs to be removed, and this is 'correct' now.

https://github.com/llvm/llvm-project/pull/111573