linux-kernel - Re: Announce: gcc bogus warning repository

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Message-ID: <45200CC8.2030404@garzik.org>
Date:	Sun, 01 Oct 2006 14:45:28 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Daniel Walker <dwalker@...sta.com>
CC:	Andrew Morton <akpm@...l.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: Announce: gcc bogus warning repository

Daniel Walker wrote:
> On Sun, 2006-10-01 at 14:16 -0400, Jeff Garzik wrote:
>> Andrew Morton wrote:
>>> The downsides are that it muckies up the source a little and introduces a
>>> very small risk that real use-uninitialised bugs will be hidden.  But I
>>> believe the benefit outweighs those disadvantages.
>> How about just marking the ones I've already done in #gccbug?
>>
>> If I'm taking the time to audit the code, and separate out bogosities 
>> from real bugs, it would be nice not to see that effort wasted.
> 
> There was a long thread on this, it's not about anyone not reviewing the
> code properly when the warning is first silenced. It's that future
> changes might create new problems that are also silenced. I don't think
> it's a huge concern, especially since there's was a config option to
> turn the warning backs on.

That doesn't address my question at all.

If there is no difference between real non-init bugs and bogus warnings, 
then a config option doesn't make any difference at all, does it?  Real 
bugs are still hidden either way:  if the warnings are turned on, the 
bugs are lost in the noise.  if the warnings are turned off, the bugs 
are completely hidden.

	Jeff



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