From: Andy Fan <zhihuifan1213@163.com>
To: John Naylor <johncnaylorls@gmail.com>
Cc: Soumyadeep Chakraborty <soumyadeep2007@gmail.com>,  Nathan Bossart
 <nathandbossart@gmail.com>,  PostgreSQL mailing lists
 <pgsql-bugs@lists.postgresql.org>
Subject: Re: Invalid control file checksum with AVX-512 during initdb on a
 clang19 -O0 build
In-Reply-To: 
 <CANWCAZbsuavqUK4tg6UF-0-GVRMaq7BafUx4+Dyd12y=-AuFAA@mail.gmail.com>
	(John Naylor's message of "Fri, 13 Jun 2025 21:03:16 +0700")
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	<aEn4O2qhLgtkSt7N@nathan>
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Date: Sun, 15 Jun 2025 01:23:41 +0000
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John Naylor <johncnaylorls@gmail.com> writes:

Hi John,

> Okay, in that case we'd better just kludge around it by disabling the
> runtime check with clang at -O0 (attached). That will at least get
> these kind of builds working while I get more info for a bug report.  

I run into the same issue at [1] and verified your patch works. Thanks
for the fix!

[1] https://www.postgresql.org/message-id/87o6uqd3iv.fsf%40163.com

-- 
Best Regards
Andy Fan