From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: elog/ereport noreturn decoration |
Date: | 2012-06-30 14:52:29 |
Message-ID: | 10796.1341067949@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> But my point was, there aren't any unused code warnings. None of the
> commonly used compilers issue any. I'd be interested to know if there
> is any recent C compiler supported by PostgreSQL that issues some kind
> of unused code warning under any circumstances, and see an example of
> that. Then we can determine whether there is an issue here.
Well, the Solaris Studio compiler produces "warning: statement not
reached" messages, as seen for example on buildfarm member castoroides.
I don't have one available to experiment with, so I'm not sure whether
it knows that abort() doesn't return; but I think it rather foolish to
assume that such a combination doesn't exist in the wild.
regards, tom lane
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