Re: Add support for AT LOCAL - Mailing list pgsql-hackers

On Mon, Oct 16, 2023 at 4:02 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> I'm having a hard time not believing that this is a compiler bug.
> Looking back at 8d2a01ae12cd and its speculation that xlc is overly
> liberal about reordering code around sequence points ... I wonder
> if it'd help to do this calculation in a local variable, and only
> assign the final value to result->time ?  But we have to reproduce
> the problem first.

If that can be shown I would vote for switching to /opt/IBM/xlc/16.1.0
and not changing a single bit of PostgreSQL.