Bug#571572: Bug#569436: blas: zgesvd seems to give incorrect results

[Denis Barbier]

On 2010/3/3 Kumar Appaiah wrote:
> Dear Denis,
>
> On Wed, Mar 03, 2010 at 11:41:50AM +0100, Denis Barbier wrote:
>> Hi,
>>
>> For the record, thanks to the GCC compile farm, I determined that this
>> bug has been fixed in gcc trunk by
>>    http://gcc.gnu.org/viewcvs?view=revision&revision=145494
>> Unfortunately this is a merge from a branch (alias-improvements) which
>> is not mirrored by git, so I had not been able to run git-bisect on it
>> to find the atomic commit.  And since this portion of code has been
>> heavily modified, I doubt that it could be backported to gcc 4.4.  I
>> do not know what can be done now.
>
> I think we can still file a bug report. Could you please test the
> attach test case, and let me know if it is reproducible?
[...]

Waow, you did  it, congratulations.  I can indeed reproduce this bug
with your small testcase.

Denis