[flang-commits] [flang] [flang][PFT] record every target of multiway branches (PR #210012)

[Kareem Ergawy via flang-commits]

ergawy wrote:

This will be used by https://github.com/llvm/llvm-project/pull/208635 to address the issue @tblah in https://github.com/llvm/llvm-project/pull/208635#issuecomment-4938016005.

https://github.com/llvm/llvm-project/pull/210012