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	Tue, 23 Feb 2021 13:36:16 -0500
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
cc: pgsql-hackers@lists.postgresql.org
Subject: Re: Some regular-expression performance hacking
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Comments: In-reply-to Andres Freund <andres@anarazel.de>
	message dated "Tue, 23 Feb 2021 10:18:51 -0800"
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Date: Tue, 23 Feb 2021 13:36:16 -0500
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Andres Freund <andres@anarazel.de> writes:
> On 2021-02-23 13:09:18 -0500, Tom Lane wrote:
>> Oddly, I see no such warning with Fedora's current compiler,
>> gcc version 10.2.1 20201125 (Red Hat 10.2.1-9) (GCC)
>> Are you using any special compiler switches?

> A few. At first I didn't see any relevant ones - but I think it's just
> that you need to use -O3 instead of -O2.

Ah-hah, -O3 plus remembering to disable assertions makes it
happen here too.  Will fix.

			regards, tom lane