Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp> writes:
>> compact_fsm_storage() does need to handle the case where a relation's
>> FSM data has to be both moved down and compressed. Per report from
>> Dror Matalon.
> Do we need to make a back patch for this?
No. That code is all new in 7.4.
regards, tom lane