60f227316c
If the tuple being updated is not visible to the crosscheck snapshot, we return TM_Updated but the assertions would not hold in that case. Move them to before the cross-check. Fixes bug #17893. Backpatch to all supported versions. Author: Alexander Lakhin Backpatch-through: 12 Discussion: https://www.postgresql.org/message-id/17893-35847009eec517b5%40postgresql.org
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