Re: [BUGS] BUG #14722: Segfault in tuplesort_heap_siftup, 32 bitoverflow

On 07/12/2017 08:16 PM, Peter Geoghegan wrote:
> On Wed, Jul 12, 2017 at 6:15 AM, Heikki Linnakangas <hlinnaka@iki.fi> wrote:
>> Another option to use "unsigned int", on the assumption that UINT_MAX >=
>> INT_MAX * 2 + 1. And to eliminate that assumption, we can use (UINT_MAX - 1)
>> / 2 as the maximum size of the memtuples array, rather than INT_MAX.
>
> FWIW, memtupcount is allowed to go negative.

Huh, say what?

- Heikki



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