[lld] [LLD] Tombstone LocalTU entry in .debug_names (PR #70701)

[David Blaikie via llvm-commits]

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dwblaikie wrote:

I imagine if you check the other test cases (for things like the DebugLoc/DebugRanges cases) you'll find they don't use full DWARF but probably just some relocations in an otherwise empty/small section - and we should probably test this in a similar way. (if the DebugLoc/DebugRanges tests do use fully formed DWARF, that'll be a surprise to me, but then happy to work with you to see if we can simplify the test(s) as much as possible in that form)

https://github.com/llvm/llvm-project/pull/70701