Horton

Re: Detecting pointer misalignment (was Re: pgsql: Implementation of subscripting for jsonb)

Alexander Korotkov <aekorotkov@gmail.com>

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From: Alexander Korotkov <aekorotkov@gmail.com>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Heikki Linnakangas <hlinnaka@iki.fi>, Alexander Korotkov <akorotkov@postgresql.org>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2021-02-12T14:29:48Z
Lists: pgsql-hackers 
Hi, Thomas!

On Fri, Feb 12, 2021 at 12:04 AM Thomas Munro <thomas.munro@gmail.com> wrote:
> On Tue, Feb 9, 2021 at 1:34 PM Alexander Korotkov <aekorotkov@gmail.com> wrote:
> > Could we have both cfbot + buildfarm animals?
> For cfbot, yeah it does seem like a good idea to throw whatever code
> sanitiser stuff we can into the automated tests, especially stuff that
> isn't prone to false alarms.  Can you please recommend an exact change
> to apply to:
>
> https://github.com/macdice/cfbot/blob/master/cirrus/.cirrus.yml
>
> Note that FreeBSD and macOS are using clang (though you might think
> the latter is using gcc from its configure output...), and Linux is
> using gcc.

Thank you for the feedback!
I'll propose a pull-request at github.

------
Regards,
Alexander Korotkov

Commits

  1. pg_attribute_no_sanitize_alignment() macro

  2. Tweak compiler version cutoff for no_sanitize("alignment") support.

  3. Implementation of subscripting for jsonb