Re: JIT test crash

[Max Brister]

On Wed, Aug 1, 2012 at 11:40 AM, marco atzeri <address@hidden> wrote:
> On 8/1/2012 6:20 PM, Michael Goffioul wrote:
>>
>> I'm seeing a segfault on my MSVC-compiled version of octave (gui branch,
>> rev 6889217b9d78) when running the test suite in pt-jit.cc:
>>
>> octave.exe:2> test('../src/pt-jit.cc', 'verbose')
>>  >>>>>
>> C:\Software\MinGW\msys\1.0\home\goffioul\src\octave-hg-gui\src/pt-jit.cc
>>    ***** test
>>   inc = 1e-5;
>>   result = 0;
>>   for ii = 0:inc:1
>>     result = result + inc * (1/3 * ii * ii);
>>   endfor
>>   assert (abs (result - 1/9) < 1e-5);
>>    ***** test
>>   inc = 1e-5;
>>   result = 0;
>>   for ii = 0:inc:1
>>     # the ^ operator's result is complex
>>     result = result + inc * (1/3 * ii ^ 2);
>>   endfor
>>   assert (abs (result - 1/9) < 1e-5);
>> panic: Segmentation violation -- stopping myself...
>>
>> Max, any idea what could cause this?
>>
>> Michael.
>>
>
> on cygwin
> PASSES 10 out of 10 tests
> with  default branch  c53c28c7c811
>
> In theory the gui branch should have no influence on the jit
> but there are at least 3 additional changeset regarding jit in the
> default branch that you are missing

These changes should have any impact on this crash. I think this might
be an msvc vs gcc issue (or a 64 vs 32 bit issue).

Max