On Fri, Jan 19, 2018 at 1:24 PM, Оля Тележная <olyatelezhn...@gmail.com> wrote:
> 2018-01-18 17:23 GMT+03:00 Christian Couder <christian.cou...@gmail.com>:
>> On Thu, Jan 18, 2018 at 12:49 PM, Оля Тележная <olyatelezhn...@gmail.com> 
>> wrote:
>>> 2018-01-18 9:20 GMT+03:00 Оля Тележная <olyatelezhn...@gmail.com>:
>>>>
>>>> I think it's important to finish migrating process at first. I mean,
>>>> now we are preparing and collecting everything in ref-filter, but we
>>>> make resulting string and print still in cat-file. And I am not sure,
>>>> but maybe it will not be possible to start using new atoms in cat-file
>>>> while some part of logic still differs.
>>>
>>> I tried to make that part here:
>>> https://github.com/telezhnaya/git/commit/19a148614f1d4db1f8e628eb4e6d7c819d2da875
>>> I know that the code is disgusting and there is a memory leak :) I
>>> just try to reuse ref-filter logic, I will cleanup everything later.
>>> At first, I try to make it work.
>>> The problem is that I have segfault, and if I use gdb, I get:
>>>
>>> Program received signal SIGSEGV, Segmentation fault.
>>> 0x0000000000000000 in ?? ()
>>
>> Make sure that you compile with debug options like -g3. For example I use:
>>
>> $ make -j 4 DEVELOPER=1 CFLAGS="-g3"
>
> Is it OK that I get different test results with simple make and with
> make with all that flags?
> Have a code: https://github.com/telezhnaya/git/commits/catfile
> I do:
>
> olya@ubuntu17-vm:~/git$ make install
> olya@ubuntu17-vm:~/git$ cd t
> olya@ubuntu17-vm:~/git/t$ ./t1006-cat-file.sh
>
> And I have 17 tests broken.
> Then, without any changes in code, I do:
>
> olya@ubuntu17-vm:~/git$ make -j 4 DEVELOPER=1 CFLAGS="-g3" install
> olya@ubuntu17-vm:~/git$ cd t
> olya@ubuntu17-vm:~/git/t$ ./t1006-cat-file.sh
>
> And there is 42 tests broken.
> And it's really hard to search for errors in such situation.

Some segfaults and other memory issues might happen or not happen
depending on how the code has been compiled. I think that if you fix
all the memory related issues, the behavior should be the same.

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