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

[Will Hawkins via llvm-commits]

hawkinsw wrote:

> Please don't force push: there's no need as you can use a fixup commit for the change without destroying the review

Sorry! I forgot my context -- some projects where I contribute don't like fixups. Again, I apologize!!

> history. Also, you've still got "NFC" in the PR title, which needs removing before this lands.

Yes!! I fixed it in the PR itself, but not in the PR! Terribly sorry! 

> 
> LGTM once that NFC bit has been addressed.

Thank you!! I will address!


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