[llvm] [llvm][DebugInfo][test] DwarfTest: parameterize LanguageDescription tests (PR #162863)

[David Blaikie via llvm-commits]

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

Looks good - I wasn't thinking of exhaustively testing the original table, FWIW, but I don't object entirely either.

Thanks!

https://github.com/llvm/llvm-project/pull/162863