[flang-commits] [flang] [flang] Update PUBLIC and PRIVATE accessibility to Fortran 2018 (PR #177596)

[via flang-commits]

tmjbios wrote:

This passes check-flang and check-flang-rt, but gfortran does not implement this new 2018 feature, so there is a failure in one of llvm-test-suite's gfortran tests (public_private_module.f90).

I have a PR ready for disabling this now-invalid test in llvm-test-suite once this is merged.

https://github.com/llvm/llvm-project/pull/177596