Re: Pointer subtraction with a null pointer

Andres Freund <andres@anarazel.de> writes:
> On 2022-03-26 12:13:12 -0400, Tom Lane wrote:
>> This code is old, but mylodon wasn't doing that a week ago, so
>> Andres must've updated the compiler and/or changed its options.

> Yep, updated it to clang 13. It's a warning present in 13, but not in 12.

OK, that answers that.

After more thought I agree that replacing these relptr_store calls
with something else would be the better solution.  I'll prepare a
patch.

            regards, tom lane