[Lazarus] HEADS UP: FPC 3.0.1 stable branched off.

[Mark Morgan Lloyd]

zeljko wrote:
> On 01/10/2015 02:39 PM, Mattias Gaertner wrote:
>> On Sat, 10 Jan 2015 12:49:04 +0000
>> Mark Morgan Lloyd <markMLl.lazarus at telemetry.co.uk> wrote:
>>
>>> Mark Morgan Lloyd wrote:
>>>
>>>> Lazarus trunk at about 47318 is OK with FPC 2.7.1 29398 on SPARC using
>>>> Debian "Lenny",
>>>
>>> Same combination on a PPC Mac raises an exception as below when the IDE
>>> is told to Tools -> Options.
>>>
>>> TApplication.HandleException Error reading
>>> ComponentsListView.Items.LazData: Stream read error
>>>     Stack trace:
>>>     $10118410  TREADER__READPROPERTY,  line 1279 of
>>> /usr/local/src/fpc/fpc-trunk/rtl/objpas/classes/reader.inc
>>>
>>> Apart from that and the blank toolbar issue it appears OK. Does anybody
>>> want me to get a backtrace and raise a bug?
>>
>> TListItems.ReadLazData reads a TLazItemInfo, which is a record:
>>
>>    TLazItemInfo = record // packing is not needed and not wanted
>>      ImageIndex: Integer;
>>      StateIndex: Integer;
>>      OverlayIndex: Integer;
>>      SubItemCount: Integer;
>>    end;
>>
>> Without "packed" the layout depends on the platform. But the stream
>> should be streamed the same on all platforms. So it needs "packed".
>> OTOH someone added a comment that it is not wanted.
>>
>> Has someone an idea why "packed" is "is not needed and not wanted"?
> 
> Annotate that unit and see who wrote that ?

Now on Mantis as 27719.

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

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