[llvm] [llvm][dwarfdump] Pretty-print DW_AT_language_version (PR #164222)

[David Blaikie via llvm-commits]

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@@ -1,13 +1,18 @@
 # Demonstrate dumping DW_AT_language_version.
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dwblaikie wrote:

This is the case where we don't recognize the language or version code? perhaps the test file name and/or header comment could clarify that this is about dumping unrecognized language/version codes?

https://github.com/llvm/llvm-project/pull/164222