Log Message:
-----------
SQL functions returning pass-by-reference types were copying the results
into the wrong memory context, resulting in a query-lifespan memory leak.
Bug is new in 8.0, I believe. Per report from Rae Stiening.
Modified Files:
--------------
pgsql/src/backend/executor:
functions.c (r1.96 -> r1.97)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/functions.c.diff?r1=1.96&r2=1.97)