[llvm] [SystemZ][z/OS] Add z/OS archive writing support (PR #200087)

[James Henderson via llvm-commits]

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+# Test writing a z/OS archive.
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jh7370 wrote:

Nit: Newer llvm-ar tests use `##` for comments, to help them stand out from regular lit and FileCheck lines.

https://github.com/llvm/llvm-project/pull/200087