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Re: [Xen-devel] [PATCH]: minios: eliminate compile warning - use of unin

To: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH]: minios: eliminate compile warning - use of uninitialised variable
From: Gianni Tedesco <gianni.tedesco@xxxxxxxxxx>
Date: Fri, 7 Jan 2011 17:21:59 +0000
Cc: Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>
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On Fri, 2011-01-07 at 16:58 +0000, Samuel Thibault wrote:
> Gianni Tedesco, le Fri 07 Jan 2011 16:52:49 +0000, a écrit :
> > I'm not sure if this is a legit catch by gcc or a false positive due to
> > extra cleverness in gcc-4.5. Either way it causes the build to barf.
> It seems a false positive to me. What is the warning message?

lib/math.c:197:22: error: ‘tmp.ul[1]’ may be used uninitialized in this function
lib/math.c:153:11: note: ‘tmp.ul[1]’ was declared here

I figured it was a false positive but looking at it now, maybe not?


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