* [cab03f4]->[6acb78a] stdbool: avoid spurious failure with modern xlc
* [8951e0e]->[2981537] Fix test-unlinkat, test-rmdir failure on AIX 5.3.
* [0a05120]->[a83a25f] poll: return immediately on POLLHUP.
+ * [fc9e09a]->[63b29c2] autoupdate
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