[llvm] [DWARF][NFC] Support Roc Language (PR #225631)

[James Henderson via llvm-commits]

https://github.com/jh7370 approved this pull request.

Please don't force push: there's no need as you can use a fixup commit for the change without destroying the review history. Also, you've still got "NFC" in the PR title, which needs removing before this lands.

LGTM once that NFC bit has been addressed.

https://github.com/llvm/llvm-project/pull/225631