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Date:	Thu, 19 Jun 2008 18:25:01 +0300
From:	Adrian Bunk <>
To:	Arjan van de Ven <>
Cc:	Dave Airlie <>,
	Linux Kernel Mailing List <>,
	Linus Torvalds <>,,
	Andrew Morton <>
Subject: Re: 2.6.26-rc possible regression in ext3

On Thu, Jun 19, 2008 at 08:18:39AM -0700, Arjan van de Ven wrote:
> Adrian Bunk wrote:
>> On Thu, Jun 19, 2008 at 06:40:05AM -0700, Arjan van de Ven wrote:
>>> Adrian Bunk wrote:
>>>> Expect a lot more of this to pop up in the future.
>>>> Should we #error for gcc 4.3.1?
>>> it/s better to find if the gcc guys made a testcase for this bug (they normally do) and
>>> test based on that.
>> The gcc Bugzilla contains a testcase.
>> But how do you plan to integrate it into a kernel build?
> we already have several of these.
> Just look at scripts/ for an example of such a beast.

Checking whether gcc supports some flags is easy.

But miscompilations are a different issue.

Especially since we also want to reject broken gcc versions for cross 



       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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