[flang-commits] [flang] [Flang] Add parsing and attribute registration for SIMPLE procedures (PR #159763)

[Eugene Epshteyn via flang-commits]

eugeneepshteyn wrote:

Wait, check-expression.cpp was marked for removal? What happened here?

(If start having weird git issues, sometimes it's easier to create a new PR.)

https://github.com/llvm/llvm-project/pull/159763