[flang-commits] [flang] [flang] Canonicalize redundant pointer converts. (PR #121864)

[Slava Zakharin via flang-commits]

vzakhari wrote:

> This LGTM, but maybe it is a broader problem that stack arrays doesn't understand `fir.convert` because it could still get confused by non-redundant converts. I'll add that to my to-do list.

Thanks for the follow-up!  I did not want to modify just the StackArrays pass.  It seems to me that the conversions canonicalization potentially helps other passes, so I decided to go this route instead.

https://github.com/llvm/llvm-project/pull/121864