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Date: Mon, 15 Jun 2009 20:43:59 -0700
From: Tim Kientzle <kientzle@freebsd.org>
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Cc: Roman Divacky <rdivacky@freebsd.org>, current@freebsd.org
Subject: Re: [RFC]: (void)0 instead of empty defines
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> Are you saying that:
> 
> if (cond)
>    ;
> 
> is considered worthy of a warning by the compiler?

Yes, especially when it's written as:

    if (rare_condition);
        do_something_dangerous();

Tim