I haven't been able to reproduce it with a small test script.
On Sat, Jul 26, 2025 at 2:11 PM Yegappan Lakshmanan <yegapp...@gmail.com>
wrote:
> Hi,
>
> On Sat, Jul 26, 2025 at 12:06 PM Christian J. Robinson <hept...@gmail.com>
> wrote:
>
>> The patch fixes the problem for me. Thank you.
>>
>>
> Thanks for validating the patch. I will create a PR for this. But I want
> to add a test that
> reproduces this issue. Is it possible for you to reproduce this issue with
> a small test script?
>
> Thanks,
> Yegappan
>
>
>> On Sat, Jul 26, 2025 at 10:24 AM Yegappan Lakshmanan <yegapp...@gmail.com>
>> wrote:
>>
>>> Hi,
>>>
>>> On Sat, Jul 26, 2025 at 6:47 AM Christian J. Robinson <hept...@gmail.com>
>>> wrote:
>>>
>>>> (gdb) p tv->v_type
>>>> $1 = VAR_OBJECT
>>>> (gdb) p tv->vval.v_object->obj_class
>>>> Cannot access memory at address 0x0
>>>> (gdb) p cl
>>>> $2 = (class_T *) 0xa006c15e0
>>>> (gdb) p tv->vval.v_object->obj_refcount
>>>> Cannot access memory at address 0x8
>>>>
>>>>
>>> Can you try this patch?
>>>
>>> diff --git a/src/vim9class.c b/src/vim9class.c
>>> index aa68a6dc8..40b594af7 100644
>>> --- a/src/vim9class.c
>>> +++ b/src/vim9class.c
>>> @@ -3714,7 +3714,8 @@ class_get_selfrefs(class_T *cl)
>>> for (int i = 0; i < cl->class_class_member_count; ++i)
>>> {
>>> tv = &cl->class_members_tv[i];
>>> - if (tv->v_type == VAR_OBJECT && tv->vval.v_object->obj_class ==
>>> cl
>>> + if (tv->v_type == VAR_OBJECT && tv->vval.v_object != NULL
>>> + && tv->vval.v_object->obj_class == cl
>>> && (tv->vval.v_object->obj_refcount == 1
>>> || (IS_ENUM(cl) && tv->vval.v_object->obj_refcount
>>> == 2)))
>>> self_refs++;
>>>
>>> Thanks,
>>> Yegappan
>>>
>>> On Sat, Jul 26, 2025 at 12:29 AM Christian Brabandt <cbli...@256bit.org>
>>>> wrote:
>>>>
>>>>> Hmm, this crashes in class_get_selfrefs() indicating perhaps patch
>>>>> v9.1.1566. Can you attach gdb to Vim, cause the crash and when you are
>>>>> back
>>>>> in gdb, print the values of the variables at line 3717?
>>>>>
>>>>> Thanks
>>>>> Chris
>>>>>
>>>>> Am 26.07.2025 um 02:44 schrieb Christian J. Robinson <
>>>>> hept...@gmail.com>:
>>>>>
>>>>>
>>>>> New backtrace attached.
>>>>>
>>>>> On Fri, Jul 25, 2025 at 6:21 PM Yegappan Lakshmanan <
>>>>> yegapp...@gmail.com> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> Can you build VIM with debug information (argument values) and
>>>>>> collect the traceback?
>>>>>>
>>>>>> Thanks,
>>>>>> Yegappan
>>>>>>
>>>>>> On Fri, Jul 25, 2025 at 4:54 PM Christian J. Robinson <
>>>>>> hept...@gmail.com> wrote:
>>>>>>
>>>>>>> I really don't know what I'm doing when it comes to gdb, but this is
>>>>>>> the backtrace:
>>>>>>>
>>>>>>> #0 0x0000000100637cf2 in class_unref.part ()
>>>>>>> #1 0x000000010063c466 in get_member_tv ()
>>>>>>> #2 0x000000010063c8a3 in class_object_index ()
>>>>>>> #3 0x0000000100459fd9 in handle_subscript ()
>>>>>>> #4 0x000000010045b005 in eval9 ()
>>>>>>> #5 0x000000010045b703 in eval7 ()
>>>>>>> #6 0x000000010045ba94 in eval6 ()
>>>>>>> #7 0x000000010045c46e in eval4 ()
>>>>>>> #8 0x000000010045c7d1 in eval3 ()
>>>>>>> #9 0x000000010045cbc8 in eval1 ()
>>>>>>> #10 0x000000010045dca2 in eval0_retarg ()
>>>>>>> #11 0x000000010045e692 in eval_to_string_eap ()
>>>>>>> #12 0x0000000100473738 in eval_one_expr_in_str ()
>>>>>>> #13 0x000000010061ef58 in eval_interp_string ()
>>>>>>> #14 0x000000010045b35d in eval9 ()
>>>>>>> #15 0x000000010045b703 in eval7 ()
>>>>>>> #16 0x000000010045bc50 in eval6 ()
>>>>>>> #17 0x000000010045c46e in eval4 ()
>>>>>>> #18 0x000000010045c7d1 in eval3 ()
>>>>>>> #19 0x000000010045cbc8 in eval1 ()
>>>>>>> #20 0x00000001004eea76 in eval_list ()
>>>>>>> #21 0x000000010045b09d in eval9 ()
>>>>>>> #22 0x000000010045b703 in eval7 ()
>>>>>>> #23 0x000000010045ba94 in eval6 ()
>>>>>>> #24 0x000000010045c46e in eval4 ()
>>>>>>> #25 0x000000010045c7d1 in eval3 ()
>>>>>>> #26 0x000000010045cbc8 in eval1 ()
>>>>>>> #27 0x000000010045dca2 in eval0_retarg ()
>>>>>>> #28 0x000000010045e43f in eval_expr_ext ()
>>>>>>> #29 0x000000010063aba4 in ex_class ()
>>>>>>> #30 0x0000000100495066 in do_cmdline ()
>>>>>>> #31 0x00000001005ac2d2 in do_source_ext ()
>>>>>>> #32 0x00000001005ae97a in do_source ()
>>>>>>> #33 0x0000000100661cbf in ex_import ()
>>>>>>> #34 0x0000000100495066 in do_cmdline ()
>>>>>>> #35 0x00000001005ac2d2 in do_source_ext ()
>>>>>>> #36 0x00000001005ae97a in do_source ()
>>>>>>> #37 0x0000000100642dc9 in find_imported ()
>>>>>>> #38 0x00000001004766e1 in eval_variable ()
>>>>>>> #39 0x000000010045b38a in eval9 ()
>>>>>>> #40 0x000000010045b703 in eval7 ()
>>>>>>> #41 0x000000010045ba94 in eval6 ()
>>>>>>> #42 0x000000010045c46e in eval4 ()
>>>>>>> #43 0x000000010045c7d1 in eval3 ()
>>>>>>> #44 0x000000010045cbc8 in eval1 ()
>>>>>>> #45 0x000000010045dca2 in eval0_retarg ()
>>>>>>> #46 0x000000010045de52 in eval0 ()
>>>>>>> [...]
>>>>>>>
>>>>>>> I have tried to create a reproducible scenario with a short script
>>>>>>> or set of scripts, unsuccessfully.
>>>>>>>
>>>>>>> --
>>>>>>> Christian J. Robinson <hept...@gmail.com>
>>>>>>>
>>>>>>>
>>>>
>> --
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--
Christian J. Robinson <hept...@gmail.com>
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