From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alvaro Herrera <alvherre@alvh.no-ip.org>
cc: Andres Freund <andres@anarazel.de>, David Rowley <dgrowleyml@gmail.com>,
        Justin Pryzby <pryzby@telsasoft.com>, pgsql-hackers@postgresql.org,
        Tomas Vondra <tomas.vondra@postgresql.org>,
        Peter Smith <smithpb2250@gmail.com>
Subject: Re: shadow variables - pg15 edition
In-reply-to: <20221010165358.7aion6kdxpjonpkk@alvherre.pgsql>
References: <20221010165358.7aion6kdxpjonpkk@alvherre.pgsql>
Comments: In-reply-to Alvaro Herrera <alvherre@alvh.no-ip.org>
	message dated "Mon, 10 Oct 2022 18:53:58 +0200"
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Date: Mon, 10 Oct 2022 13:02:47 -0400
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Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> On 2022-Oct-10, Andres Freund wrote:
>> We could, but is it really a useful thing for something fixed 6 years ago?

> Well, for people purposefully installing using older installs of Perl
> (not me, admittedly), it does seem useful, because you get the benefit
> of checking shadow vars for the rest of the tree and still get no
> warnings if everything is clean.

Meh --- people purposefully using old Perls are likely using old
compilers too.  Let's wait and see if any devs actually complain.

			regards, tom lane