[libc-commits] [libc] [libc] Add `IN6_IS_ADDR_UNSPECIFIED` (PR #172311)

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c8ef wrote:

### Merge activity

* **Dec 18, 3:02 PM UTC**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.com/github/pr/llvm/llvm-project/172311).


https://github.com/llvm/llvm-project/pull/172311