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

[James Henderson via llvm-commits]

https://github.com/jh7370 requested changes to this pull request.

The Linux pre-commit CI has the following build failure in it:
> 2026-09-25T14:07:08.8083944Z /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/BinaryFormat/Dwarf.cpp:478:11: error: enumeration value 'DW_LNAME_Roc' not handled in switch [-Werror,-Wswitch]

Looks like you need to fix that before this can land. (I didn't notice this before because there's an unrelated python error later on in the reporting, I think).

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