linux-kernel - Re: [PATCH -mm 1/2] 3c59x: Fix uninitialized variable bug

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Message-ID: <20070906214008.GA11224@hindley.org.uk>
Date:	Thu, 6 Sep 2007 22:40:08 +0100
From:	Mark Hindley <mark@...dley.org.uk>
To:	Satyam Sharma <satyam@...radead.org>
Cc:	Steffen Klassert <klassert@...hematik.tu-chemnitz.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Netdev Mailing List <netdev@...r.kernel.org>,
	Jeff Garzik <jeff@...zik.org>
Subject: Re: [PATCH -mm 1/2] 3c59x: Fix uninitialized variable bug

On Thu, Sep 06, 2007 at 03:25:55PM +0530, Satyam Sharma wrote:
 
> This is a GCC bug (regression, actually, as you've found out) -- no two
> ways about it. Although different from the kind Jeff mentioned couple days
> back -- that was about wising GCC up to false positives and /not/ emitting
> warnings. But here a genuine problem was not complained about, so this is
> more serious. Do you plan to open up a bug at gcc.gnu.org/bugzilla/ ?
> 

Yes, I have just narrowed down a test case, which is remarkably simple!

int 
main(int i)
{
  int err;
    
  if (i) {
    err = 1;
  }
  return err;
}

Mark
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