--- subversion/libsvn_subr/io.c.orig	2019-01-17 08:49:41 +0000
+++ subversion/libsvn_subr/io.c	2019-01-17 08:50:15 +0000
@@ -4292,7 +4292,7 @@
                               svn_dirent_local_style(from_path, pool),
                               svn_dirent_local_style(to_path, pool));
 
-#if defined(SVN_ON_POSIX)
+#if defined(SVN_ON_POSIX) && !defined(_AIX)
   if (flush_to_disk)
     {
       /* On POSIX, the file name is stored in the file's directory entry.