Tests as for the main fedora-clang checks but using LLVM 22
including its flang as the Fortran compiler.
Other details as for 
https://www.stats.ox.ac.uk/pub/bdr/Rconfig/r-devel-linux-x86_64-fedora-clang .

This was released on Aug 26 and planned to be included in Fedora 43.

Releave notes are available at

https://releases.llvm.org/

including

https://releases.llvm.org/22.1.0/tools/clang/docs/ReleaseNotes.html
https://releases.llvm.org/22.1.0/tools/flang/docs/ReleaseNotes.html


Current results are from LLVM 22.1.0, released 2016-02-24. 
Some binary distributions are available at
https://github.com/llvm/llvm-project/releases
and in Debian experimental.