Log Message:
-----------
If RelationBuildDesc() fails to open a critical system index, PANIC with
a relevant error message instead of just dumping core. Odd that nobody
reported this before Darren Reed.
Tags:
----
REL7_4_STABLE
Modified Files:
--------------
pgsql/src/backend/utils/cache:
relcache.c (r1.190 -> r1.190.2.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/cache/relcache.c?r1=1.190&r2=1.190.2.1)