[llvm] [llvm-symbolizer] Recognize AIX big archive (PR #150401)

[James Henderson via llvm-commits]

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+# Test big archive recognition with same-named members (XCOFF format).
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jh7370 wrote:

```suggestion
## Test big archive recognition with same-named members (XCOFF format).
```

https://github.com/llvm/llvm-project/pull/150401