[flang-commits] [clang] [flang] [flang] Add checks for Fortran 2023 system clock and add f2023/f202Y to valid arguments of -std= (PR #205938)

[Steve Scalpone via flang-commits]

sscalpone wrote:

The title says 202Y and the code says 2028.    There's no official Fortran 2028 standard yet.    The advantage of 202Y is that is allows for experimental options without giving them the blessing of 2028.   The advantage of 2028 is that the code won't need to change in the future if the standard stays on track.  Pick one please.

https://github.com/llvm/llvm-project/pull/205938