[bug #26085] infinite recursion in nested structure

[Thorsten Meyer]

Hi,

Jaroslav Hajek wrote:
> On Sat, Apr 4, 2009 at 3:56 PM, Thorsten Meyer <INVALID.NOREPLY at gnu.org> wrote:
>   
>> Details:
>>
>> In todays tip (4218f9515258) I have found a bug reproducible by the example
>> below. Apparently, the lazy copying scheme produces an infinite recursion in
>> the assignment in line 12.
>>     
>
> A fix is uploaded to Savannah. This was caused by the optimizations in
> octave_struct::subsasgn aiming to avoid useless copying of field
> values in nested assignments. Hopefully it's correct now (it seems
> simpler).
> It would be nice to have more tests like this one.
>   
I have pushed a few tests to at least prevent a regression of this
particular bug.

regards

Thorsten
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