Thomas Munro <> writes:
>> Also happens on OpenBSD 5.8.  Isn't this a classic case where memmove
>> is called for?  Replacing the memcpy at line 617 with memmove makes
>> the tests run successfully, but at first glance the other two
>> instances of memcpy in run_permutation should also be changed to
>> memmove, no?

Yeah, that's clearly busted.  Surprising that it has not failed on
any other platforms.

> Suggested patch attached.

Will push in a moment.

                        regards, tom lane

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