Log Message:
-----------
Fix longstanding bug found by Atsushi Ogawa: _bt_check_unique would mark
the wrong buffer dirty when trying to kill a dead index entry that's on
a page after the one it started on. No risk of data corruption, just
inefficiency, but still a bug.
Tags:
----
REL7_4_STABLE
Modified Files:
--------------
pgsql/src/backend/access/nbtree:
nbtinsert.c (r1.106.2.1 -> r1.106.2.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/nbtree/nbtinsert.c.diff?r1=1.106.2.1&r2=1.106.2.2)
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