[llvm] [DebugInfo] Add DW_AT_artificial for compiler generated static member. (PR #116327)

[Carlos Alberto Enciso via llvm-commits]

CarlosAlbertoEnciso wrote:

> If you're using a PR only for presubmit checks, not for pre-commit review, please apply the `skip-precommit-approval` label, to make it clear that's the intent/there wasn't a missed review.

@dwblaikie Thanks very much.

https://github.com/llvm/llvm-project/pull/116327