I was about to push this when it occurred to me that it seems a bit
pointless to release AEL in order to retry with the lighter lock; once
we have AEL, let's just keep it and proceed. So how about the attached?
I'm now thinking that this is to back-patch all the way to 12.
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Álvaro Herrera Valdivia, Chile — https://www.EnterpriseDB.com/