Restore enforce_generic_type_consistency's breaks a farms

Following commit:

http://archives.postgresql.org/pgsql-committers/2008-12/msg00109.php

breaks several farms. Is it know issue? I run test manually and it works.
	Zdenek

Details:

http://www.pgbuildfarm.org/cgi-bin/show_log.pl?nm=gothic_moth&dt=2008-12-14%2021:06:00

================== pgsql.24224/src/test/regress/regression.diffs ===================
*** 
/zfs_data/home/postgres/buildfarm/HEAD/pgsql.24224/src/test/regress/expected/polymorphism.out 
Sun Dec 14 22:06:23 2008
--- 
/zfs_data/home/postgres/buildfarm/HEAD/pgsql.24224/src/test/regress/results/polymorphism.out 
Sun Dec 14 22:34:09 2008
***************
*** 616,626 ****  -- check that we can apply functions taking ANYARRAY to pg_stats  select distinct array_ndims(histogram_bounds) from pg_stats  where histogram_bounds is not null;
!  array_ndims
! -------------
!            1
! (1 row)
!  -- such functions must protect themselves if varying element type isn't OK  select max(histogram_bounds) from pg_stats;  ERROR:  cannot compare arrays of different element types
--- 616,622 ----  -- check that we can apply functions taking ANYARRAY to pg_stats  select distinct array_ndims(histogram_bounds) from pg_stats  where histogram_bounds is not null;
! ERROR:  relation with OID 29632 does not exist  -- such functions must protect themselves if varying element type isn't OK  select max(histogram_bounds) from pg_stats;  ERROR:  cannot compare arrays of different element types

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