From: Joe Conway <mail@joeconway.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-committers@postgresql.org
Subject: Re: pgsql: Suppress "variable may be used uninitialized" warning.
Date: Tue, 28 Jul 2015 18:13:39 -0700
Message-ID: <55B828C3.4020000@joeconway.com> (raw)
In-Reply-To: <8117.1438131258@sss.pgh.pa.us>
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On 07/28/2015 05:54 PM, Tom Lane wrote:
> Joe Conway <mail@joeconway.com> writes:
>>> Suppress "variable may be used uninitialized" warning.
>
>> That's odd -- I compiled both with and without debug options
>> looking for warnings and saw none.
>
> That warning is very compiler-dependent; smarter compilers can
> prove that an uninitialized usage is unreachable while dumber ones
> can't. I saw it on RHEL6's gcc 4.4.7. I figure that suppressing
> warnings on any reasonably popular/modern compiler is fair game.
Ah, ok. I just felt bad that I didn't find it myself.
- --
Joe Conway
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To: pgsql-committers@postgresql.org
Cc: mail@joeconway.com, tgl@sss.pgh.pa.us
Subject: Re: pgsql: Suppress "variable may be used uninitialized" warning.
In-Reply-To: <55B828C3.4020000@joeconway.com>
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