[llvm-branch-commits] [flang] [flang][fir] Add `fir.local` op for locality specifiers (PR #138505)

[Pranav Bhandarkar via llvm-branch-commits]

https://github.com/bhandarkar-pranav approved this pull request.

LGTM aside from the two nits and, more importantly, the tests that @tblah has requested

https://github.com/llvm/llvm-project/pull/138505