| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Buildfarm failures for hash indexes: buffer leaks |
| Date: | 2018-11-19 22:38:04 |
| Message-ID: | 20181119223804.pdohxdemtpuxctzq@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2018-11-19 17:32:37 -0500, Tom Lane wrote:
> Andres Freund <andres(at)anarazel(dot)de> writes:
> > FWIW, it seems that gcc's trunk works again. But I'm not sure this isn't
> > just an accident and the optimization's introduced in the above revision
> > aren't still broken.
> > https://buildfarm.postgresql.org/cgi-bin/show_history.pl?nm=moonjelly&br=HEAD
>
> Yeah, I saw that moonjelly had gone green. Are you going to update
> serinus' compiler soon?
I'm using debian's gcc-snapshot package, which updates a bit less
frequently than what Fabien does. It'll auto-update as soon as that has
happened.
What disconcerts me a bit is that afaict there wasn't an intentional fix
in the relevant area (disabling value range propagation fixes the
miscompilation), so I'm not quite sure.
> (And while I'm bugging you, would you fix your buildfarm menagerie
> to build REL_11_STABLE?)
Oh, hum. I thought I had. But I did it only for the LLVM enabled
animals. Results should be coming up soon.
Greetings,
Andres Freund
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