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diff --git a/ChangeLog b/ChangeLog
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@@ -1,5 +1,23 @@
 2011-09-03  Paul Eggert  <eggert@cs.ucla.edu>
 
+	openat: test for fstatat (..., 0) bug
+	Further testing with tar suggests that fstatat (..., 0)
+	does not work in general, on AIX 7.1; see
+	<http://lists.gnu.org/archive/html/bug-tar/2011-09/msg00023.html>.
+	So, give up entirely on AIX 7.1's fstatat, and fall back on our
+	replacement fstatat (which is what older AIX releases were using
+	anyway).
+	* lib/fstatat.c (fstatat) [HAVE_FSTATAT]: Do not undef.  The only
+	use is now changed to orig_fstatat.  This was probably the right
+	thing to do anyway.
+	(FSTATAT_AT_FDCWD_0_BROKEN): Remove; no longer used.
+	(rpl_fstatat) [FSTATAT_ZERO_FLAG_BROKEN]: Remove.
+	(rpl_fstatat): Simplify, assuming !FSTATAT_ZERO_FLAG_BROKEN.
+	(AT_FUNC_NAME) [FSTATAT_ZERO_FLAG_BROKEN]: Now rpl_fstatat.
+	* m4/openat.m4 (gl_FUNC_FSTATAT): Test for the more-general bug
+	and define FSTATAT_ZERO_FLAG_BROKEN, not FSTATAT_AT_FDCWD_0_BROKEN,
+	if the bug is found.
+
 	openat: test for fstatat (AT_FDCWD, ..., 0) bug
 	This tests for another fstatat bug on AIX 7.1:
 	fstatat (AT_FDCWD, ..., 0) does not work.  See