[flang-commits] [flang] [flang] GETPID runtime and lower intrinsic implementation (PR #70442)

[Yi Wu via flang-commits]

PAX-12-WU wrote:

getpid is used in some applications like OpenRadioss.
https://github.com/OpenRadioss/OpenRadioss/blob/046223046754878175034b21879729ab009011d4/starter/source/coupling/rad2rad/r2r_fork.F#L110
https://github.com/OpenRadioss/OpenRadioss/blob/046223046754878175034b21879729ab009011d4/engine/source/engine/lf_convert_c.c#L310

https://github.com/llvm/llvm-project/pull/70442