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Date: Fri, 15 May 2015 10:43:12 +0300
From: "Eli Zaretskii (eliz AT gnu DOT org)" <djgpp AT delorie DOT com>
Subject: Re: bad pragma in dir.h? (and our structrure packing)
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> Date: Fri, 15 May 2015 06:54:39 +0300
> From: "Andris Pavenis (andris DOT pavenis AT iki DOT fi)" <djgpp AT delorie DOT com>
> 
> We need to be sure that such typedef will not cause warnings about unused typedef for some GCC 
> versions.

Which GCC versions do that?  How can they produce such warnings
without complaining about system header files, which are replete with
unused typedefs?  At the very least, they should exempt header files,
or at least system header files, which these are.

So I find it hard to believe this could be a problem.