I wrote:
> Right. So the incorrect ResetTupleHashTable call is unreachable
> (and a look at the code coverage report confirms that). The whole
> thing obviously is a bit hasty and unreviewed, but it doesn't have
> a live bug AFAICS ... or at least, if there's a bug, it's a memory
> leakage issue across repeat executions, not a crash hazard.
For the archives' sake: this *is* a memory leak, and we dealt with
it at 58c47ccfff20b8c125903482725c1dbfd30beade.
regards, tom lane