This includes the changes for 13.0.0-rc1 from 2540b66ba6.
2540b66ba6
TODO: Only llvmPackages_git.stdenv builds right now, other packages still fail. Help is welcome.
The purpose of this package is to continuously improve the LLVM packaging in Nixpkgs without causing a lot of rebuilds and provide more recent LLVM builds for users. For more details see: https://github.com/NixOS/nixpkgs/issues/114828