Re: pgsql: Suppress some "variable might be clobbered by longjmp" warnings.

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-committers(at)postgresql(dot)org
Subject: Re: pgsql: Suppress some "variable might be clobbered by longjmp" warnings.
Date: 2011-03-10 04:41:37
Message-ID: 201103100441.p2A4fb913108@momjian.us
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Tom Lane wrote:
> Suppress some "variable might be clobbered by longjmp" warnings.
>
> Seen with an older gcc version. I'm not sure these represent any real
> risk factor, but still a bit scary. Anyway we have lots of other
> volatile-marked variables in this code, so a couple more won't hurt.

I assume you saw my comment in basebackup.c:

* Some old compilers, e.g. gcc 2.95.3/x86, think that passing
* a struct in the same function as a longjump might clobber
* a variable. bjm 2011-02-04
* http://lists.apple.com/archives/xcode-users/2003/Dec//msg00051.html

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ It's impossible for everything to be true. +

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