| From: | Justin Pryzby <pryzby(at)telsasoft(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: test failure with gcc-12 -O3 -march=native |
| Date: | 2022-08-12 01:06:02 |
| Message-ID: | 20220812010602.GD26198@telsasoft.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On Thu, Aug 11, 2022 at 01:03:43PM -0700, Andres Freund wrote:
> Hi,
>
> For my optimized builds I've long used -O3 -march=native. After one of the
On what kind of arch ?
> Given that I did not encounter this problem with gcc-12 before, and that
> gcc-12 has been released, it seems less likely to be a bug in our code
> highlighted by a new optimization and more likely to be a bug in a gcc bugfix,
> but it's definitely not clear.
debian testing is now defaulting to gcc-12.
https://tracker.debian.org/news/1348007/accepted-gcc-defaults-1198-source-into-unstable/
Are you sure you were building with gcc-12 and not gcc(default) which, until 3
weeks ago, was gcc-11 ?
--
Justin
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