[llvm] [llvm][Dwarf] Add LanguageDescription API that accounts for version (PR #162048)

[Michael Buch via llvm-commits]

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@@ -2276,4 +2276,46 @@ TEST(DWARFDebugInfo, TestDWARF64UnitLength) {
   });
 }
 
+TEST(DWARFDebugInfo, TestLanguageDescription_Versioned) {
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Michael137 wrote:

is this what you had in mind @dwblaikie ? https://github.com/llvm/llvm-project/pull/162863

It actually found a version code bug :)

https://github.com/llvm/llvm-project/pull/162048