[Lazarus] Menu editor unstable? - stack trace

[Michael Van Canneyt]

On Mon, 8 May 2017, Michael W. Vogel via Lazarus wrote:

> Am 08.05.2017 um 15:54 schrieb Michael Van Canneyt via Lazarus:
>>
>> OK. It seems clear to me that something is being freed which should 
>> not yet be
>> freed:
>>
>>>> WARNING: TShadowItem.Destroy with LCLRefCount>0. Hint: Maybe the 
>>>> component is processing an event?
>>
>> This indicates to me that an unforeseen order of events is happening ?
>> As far as I know, there is a global call to free components once the 
>> message processing is finished ?
>>
>> Well, I hope you can reproduce it...
>
> Sorry, I don't get it. After over two hours of testing with 64bit Linux 
> Mint 18.1 Cinnamon and Lazarus 1.9.0 r54833M FPC 3.0.2 
> x86_64-linux-gtk2, with new or saved projects, without or with 
> AnchorDockingDsgn / Sparta_DockedFormEditor, I'm not able to create a 
> crash.
>
> I tried this steps and around:
> - Open project
> - Select a popup menu (there are several)
> - Double click to edit
> - Select menu item 1
> - Immediatly select menu item 2

Here, the crash happens when going to the object inspector.

>
>
> If you want, you can add a minimal example and explain every single step 
> again, what you do, to create a crash. Then, I'll test again, but for 
> now, I don't know what to do more.

I will try. I do use actions.

> What Lazarus revision are you using?
> Do you have installed AnchorDockingDsgn, Sparta_DockedFormEditor or 
> something similar?

No, no docking whatsoever.

Michael.