Log Message:
-----------
Enable btree_predicate_proof() to make proofs involving cross-data-type
predicate operators. The hard stuff turns out to be already done in the
previous commit, we need merely open the floodgates...
Modified Files:
--------------
pgsql/src/backend/optimizer/util:
predtest.c (r1.11 -> r1.12)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/util/predtest.c.diff?r1=1.11&r2=1.12)