[flang-commits] [flang] [Flang] Legalize the hlfir.exactly_once operation (PR #152202)

[Slava Zakharin via flang-commits]

vzakhari wrote:

I posted a simpler reproducer at https://github.com/llvm/llvm-project/issues/130532#issuecomment-3161276244.  I think the nesting of `hlfir.exactly_once` confusing the ordered-assignment pass is the culprit here.

https://github.com/llvm/llvm-project/pull/152202