BUG #11078: this query crash on array_agg, but there is no array_agg

The following bug has been logged on the website:

Bug reference:      11078
Logged by:          hiapo
Email address:      hiapo@tahiti-ingenierie.pf
PostgreSQL version: 9.3.3
Operating system:   Linux OpenSuse 12.3
Description:




select x.oid,x.c from (
select p.oid,pg_get_functiondef(p.oid)::varchar as c
from information_schema.routines r inner join pg_catalog.pg_proc p on
(r.specific_name=p.proname||'_'||oid::varchar) where
specific_schema='public'
)x where x.c ilike '%getcnx%'