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Date: Wed, 27 Jun 2007 01:29:59 +0100 From: Derek M Jones <derek@...sof.co.uk> To: Al Viro <viro@....linux.org.uk> CC: Neil Booth <neil@...kokuya.co.uk>, Josh Triplett <josh@...edesktop.org>, Segher Boessenkool <segher@...nel.crashing.org>, Linus Torvalds <torvalds@...ux-foundation.org>, linux-kernel@...r.kernel.org, linux-sparse@...r.kernel.org Subject: Re: [PATCH 16/16] fix handling of integer constant expressions Al Viro wrote: >>> Hopefully correct handling of integer constant expressions. Please, review. >> Am I invoking sparse wrongly? ./sparse -W -Wall doesn't diagnose >> the following TU, for example. >> >> extern int a; >> extern int as1[(a = 2)]; > > sparse simply doesn't check that. We don't have anything resembling > support of VLA. If it did support VLAs it would point out that this is a constraint violation. VLAs must have block or function prototype scope. -- Derek M. Jones tel: +44 (0) 1252 520 667 Knowledge Software Ltd mailto:derek@...sof.co.uk Applications Standards Conformance Testing http://www.knosof.co.uk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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