[lld] [lld][ELF] Add --debug-names to create merged .debug_names. (PR #86508)

[David Blaikie via llvm-commits]

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@@ -0,0 +1,417 @@
+# ppc-debug-names.s was generated with:
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dwblaikie wrote:

match this with the file name (`ppc32-debug-names.s`)

https://github.com/llvm/llvm-project/pull/86508