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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