[flang-commits] [flang] [draft][flang] Undo the effects of CSE for hlfir.exactly_once. (PR #140190)

[Slava Zakharin via flang-commits]

vzakhari wrote:

Hi Jean, I want to share what I have so far.  Let me know if you see any problems with this approach.  It works on a couple of tests. Even one from our LIT tests fails at `-O1` due to the same issue, and the patch fixes it.  I need to do more testing...

https://github.com/llvm/llvm-project/pull/140190