Everyone could add some weight to the Ubuntu std::nth_element bug report:

    https://bugs.launchpad.net/ubuntu/+source/gcc-4.8/+bug/1246802

Not sure if it will help.

Garth

On 13 Nov 2013, at 20:00, Anders Logg <[email protected]> wrote:

> The plot thickens...
> 
> I see now that nth_element is used in more than one place. I'll take a
> look tomorrow and replace it by boost::nth_element throughout.
> 
> --
> Anders
> 
> 
> On Wed, Nov 13, 2013 at 07:51:46PM +0100, Johan Hake wrote:
>> After returning:
>> 
>>  /usr/include/c++/4.8/bits/stl_algo.h
>> 
>> to its original state the unit test passed locally. At least now Anders has
>> something to look into ;)
>> 
>> J
>> 
>> 
>> On Wed, Nov 13, 2013 at 7:35 PM, Johan Hake <[email protected]> wrote:
>> 
>>    I removed rounding-math, std=c++98, and used Release instead of Developer
>>    mode but I still get the same error.
>> 
>>    I am on saucy
>> 
>>    J
>> 
>> 
>>    On Wed, Nov 13, 2013 at 6:28 PM, Jan Blechta <[email protected]>
>>    wrote:
>> 
>>        On Wed, 13 Nov 2013 18:07:58 +0100
>>        Johan Hake <[email protected]> wrote:
>> 
>>> I have a patched stl library as suggested by Anders. Is that the
>> 
>>        I can't see such a suggestion in this thread.
>> 
>>> common denominator here?
>> 
>>        I don't know but my DOLFIN is compiled with
>> 
>>          -O2 -g
>> 
>>        while yours is possibly with
>> 
>>          -O2 -g -std=c++98 -Wall -Werror -pedantic -pipe
>> 
>>        because of Developer build type. (I abandoned Developer build because
>>        of some CGAL related errors.) Is it a possible cause? Should I try 
>> with
>> 
>>          -std=c++98
>> 
>>        ?
>> 
>>        Jan
>> 
>>> 
>>> Johan
>>> 
>>> 
>>> On Wed, Nov 13, 2013 at 5:50 PM, Jan Blechta
>>> <[email protected]>wrote:
>>> 
>>>> I can't reproduce it.
>>>> 
>>>> Jan
>>>> 
>>>> 
>>>> On Wed, 13 Nov 2013 14:56:37 +0100
>>>> Anders Logg <[email protected]> wrote:
>>>> 
>>>>> The unit test geometry/BoundingBoxTree.py fails on my machines
>>>>> (with master) but seem to pass on the buildbots.
>>>>> 
>>>>> The test in question fails with:
>>>>> 
>>>>> Traceback (most recent call last):
>>>>>  File "BoundingBoxTree.py", line 372, in
>>>>>  test_compute_closest_entity_3d
>>>>>    self.assertEqual(entity, reference[0])
>>>>> AssertionError: 5 != 4
>>>>> 
>>>>> Can someone else check if this test fails on your machines as
>>>>> well?
>>>>> 
>>>> 
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>> 
>> 
>> 
>> 
>> 
> 
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