*** pgsql/src/test/regress/sql/select.sql	2008/11/20 14:04:46	1.15
--- pgsql/src/test/regress/sql/select.sql	2009/09/29 01:20:34	1.16
*************** select sillysrf(42);
*** 202,204 ****
--- 202,209 ----
  select sillysrf(-1) order by 1;
  
  drop function sillysrf(int);
+ 
+ -- X = X isn't a no-op, it's effectively X IS NOT NULL assuming = is strict
+ -- (see bug #5084)
+ select * from (values (2),(null),(1)) v(k) where k = k order by k;
+ select * from (values (2),(null),(1)) v(k) where k = k;