Re: segfault in diff-delta.c on mac os x (commit 8433669)

From: Steffen Prohaska <prohaska@zib.de>
Date: Jul 22, 2007, 12:59 UTC
Message-ID: <B19AC964-3398-46AF-934B-BB2F06688F7B@zib.de>
In-Reply-To: <6A487E9A-27E5-4212-A7C9-EBB6528791FE@zib.de>

On Jul 22, 2007, at 10:49 AM, Steffen Prohaska wrote:

Show 26 quoted lines

>
> On Jul 22, 2007, at 5:35 AM, Brian Gernhardt wrote:
>
>>
>> On Jul 21, 2007, at 11:15 AM, Steffen Prohaska wrote:
>>
>>> 843366961cf14aad6490fbeb30f7b98f37f8833a may cause segfaults on
>>> Mac OS X. See backtrace below. I only observed the segfault with
>>> -O2 builds.
>>
>> I have been using git on my OS X box for quite a while, and that  
>> commit appears to be nearly two months old.  I have yet to see any  
>> packing errors in any of my repositories.  (This is with -O2,  
>> which appears to be the default.)
>>
>> My gcc reports itself as build 5367 instead of 5250.  Perhaps  
>> there is a compiler error in an older copy of the DevTools?
>
> This seems to be the case. I upgraded the compiler and
> tried again. The segfault didn't happen again. Note, this
> was not exactly the same situation as before because the
> git repository used for testing changed a bit since the
> first segfault.
>
> I'll do some more repacking over the day and will report
> my observations.

I did a lot more testing and am pretty convinced now that the problem is not present with the newer compiler. Using build 5367 of gcc seems to creating a working git executable while build 5250 creates a broken one.

	Steffen