pgsql: Add many new Asserts in code and fix simple bug that slipped - Mailing list pgsql-committers

Log Message:
-----------
Add many new Asserts in code and fix simple bug that slipped through
without them, related to previous commit. Report by Bruce Momjian.

Modified Files:
--------------
    pgsql/src/backend/access/transam:
        xlog.c (r1.410 -> r1.411)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/xlog.c?r1=1.410&r2=1.411)
    pgsql/src/backend/storage/ipc:
        procarray.c (r1.69 -> r1.70)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/ipc/procarray.c?r1=1.69&r2=1.70)
        standby.c (r1.22 -> r1.23)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/ipc/standby.c?r1=1.22&r2=1.23)