[fpc-pascal] Win64 SEH patch fixes some Firebird embedded bugs

[michael.vancanneyt at wisa.be]

On Thu, 21 Jun 2012, Reinier Olislagers wrote:

> Just compiled FPC with -dTEST_WIN64_SEH and noticed that fixes bugs
> 17360 Firebird database exceptions don't generate EIBDatabaseError but a
> general exception on 64 bit windows
> 21581: Firebird embedded x64 Windows: CreateDB fails with an exception

Great, you beat me to it :-)

> It may well also remove the need for the nasty workaround applied in bug
> 19116: RunError(32) when reading BLOB with IBConnection on Win64
> ... which might also be interesting given Marco's remark:
>> * While reading up on the previous issue I saw warnings that getting the blob size this way might be notoriously slow.
>
> Thought I'd let everybody know in case they run into Firebird x64
> (embedded) problems on Windows and to indicate that implementing the SEH
> patch might be a good idea...

Well, I was going to test the above bugs and if they fixed the issue,
recommend to enable SEH by default on Win64.

Michael.