47a22dc2cb
This reverts commit 5cda142bb9d2bd7e7ed1c22ae89afe58abfa8d7b (in v14 only). It turns out that that fails under force_parallel_mode = regress, because pageinspect's disk-access functions are marked parallel safe, which they are not if you try to use them on a temp table. The cost of fixing that pre-v15 seems to exceed the value of making this test case fully stable, so we will just leave things as-is in v14.
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