[flang-commits] [flang] [flang] Fix NOTIFY= placement checking and folding (PR #231660)

[Jean-Didier PAILLEUX via flang-commits]

https://github.com/JDPailleux approved this pull request.

LGTM, 
But check the point raised by @bonachea about the fact that a NOTIFY variable cannot be coindexed.

https://github.com/llvm/llvm-project/pull/231660