From: Tom Lane <tgl@sss.pgh.pa.us>
To: Erik Rijkers <er@xs4all.nl>
Cc: pgsql-hackers@lists.postgresql.org
Subject: Re: gcc 12.1.0 warning
Date: Fri, 06 May 2022 10:46:20 -0400
Message-ID: <2891033.1651848380@sss.pgh.pa.us> (raw)
In-Reply-To: <a74a1a0d-0fd2-3649-5224-4f754e8f91aa@xs4all.nl>
References: <a74a1a0d-0fd2-3649-5224-4f754e8f91aa@xs4all.nl>
Erik Rijkers <er@xs4all.nl> writes:
> Not sure if these compiler-mutterings are worth reporting but I guess
> we're trying to get a silent compile.
> System: Debian 4.9.303-1 (2022-03-07) x86_64 GNU/Linux
> Compiling with gcc 12.1.0 causes the below 'warning' and 'note'.
> Compiling with --enable-cassert --enable-debug is silent, no warnings)
> In function ‘guc_var_compare’,
> inlined from ‘bsearch’ at
> /usr/include/x86_64-linux-gnu/bits/stdlib-bsearch.h:33:23,
> inlined from ‘find_option’ at guc.c:5649:35:
> guc.c:5736:38: warning: array subscript ‘const struct config_generic[0]’
> is partly outside array bounds of ‘const char[8]’ [-Warray-bounds]
> 5736 | return guc_name_compare(confa->name, confb->name);
> | ~~~~~^~~~~~
I'd call that a compiler bug.
regards, tom lane
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To: pgsql-hackers@postgresql.org
Cc: tgl@sss.pgh.pa.us, er@xs4all.nl, pgsql-hackers@lists.postgresql.org
Subject: Re: gcc 12.1.0 warning
In-Reply-To: <2891033.1651848380@sss.pgh.pa.us>
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