Linaro gcc ICE bug

Matthias Klose doko at ubuntu.com
Fri Dec 24 00:45:39 UTC 2010


On 13.12.2010 20:00, Ulrich Weigand wrote:
> Khem Raj<raj.khem at gmail.com>  wrote:
>
>> The bug http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46883 files
>> against GCC trunk also happens with linaro gcc 4.5
>> My guess is that there is a backported patch from trunk into linaro
>> 4.5 tree thats causing this ICE
>>
>> This ICE does not happen on upstream gcc-4.5 branch
>
> Thanks for the bug report!
>
>> I havent figured out the commit yet.
>
> It looks like the regression was introduced by Bernd Schmidt's
> patch to improve zero-/sign-extensions (PR 42172), which we
> did indeed backport to Linaro GCC 4.5.  (I've updated the
> PR 46883 bugzilla with more details.)
>
>> Should you need a bug in linaro
>> bug tracker I will be happy to file one
>
> Yes, please do so; this makes it easier to track the problem
> on the Linaro side.   Thanks!

same for the Ubuntu side. If you see this in one of the gcc-4.x packages in 
Ubuntu, please open a task for the corresponding package in Ubuntu.

thanks, Matthias



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