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Date: Sun, 28 Dec 2008 22:00:37 +0100
From: Dimitry Andric <dimitry@andric.com>
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To: Stanislav Sedov <stas@FreeBSD.org>
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org, Andrew Thompson <thompsa@FreeBSD.org>
Subject: Re: svn commit: r186529 - head/sys/dev/acpi_support
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On 2008-12-28 20:30, Stanislav Sedov wrote:
>>> -	ACPI_OBJECT		acpiarg[0];
>>> +	ACPI_OBJECT		acpiarg[1];
> I wonder how does gcc allowed this. It emits warnings only in
> pedantic mode which we cannot use to compile kernel with.

Zero-sized arrays are non-standard, but have been allowed by gcc (and
many other compilers) since a long time, so it is logical that it
doesn't warn about it by default.

Maybe you can try compiling it with gcc 4.3.x; I have received several
"array subscript is above array bounds" warnings using it.  However,
it's GPL3, which might open up several cans of worms...