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Re: ANSI-strict pointer aliasing rules

From: "Zeugswetter Andreas DCP SD" <ZeugswetterA(at)spardat(dot)at>
To: "Taral" <taralx(at)gmail(dot)com>,<pgsql-hackers(at)postgresql(dot)org>
Subject: Re: ANSI-strict pointer aliasing rules
Date: 2006-04-27 15:25:09
Message-ID: E1539E0ED7043848906A8FF995BDA579FC36C7@m0143.s-mxs.net (view raw or flat)
Thread:
Lists: pgsql-hackers
> I ran afoul of these rules the other day when compiling pgsql 8.1 on
> AIX. The configure scripts are set up to look for "xlc" instead of
> "cc", and that command invokes cc with "-qalias=ansi", the ANSI-strict
> pointer aliasing mode.

Can you please explain what exactly was not working ?
xlc has in the past shown warnings that were actually problematic code
that gcc did not show (and the cc variant of xlc also does not show).

Andreas

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