[fpc-devel] Windows 64bit SEH exception handling

[tomek]

Hello,

with reference to http://bugs.freepascal.org/view.php?id=12742 about random
crash with Windows OpenDialog Box only on Win7 64bit.

Today I compile trunk-fpc with TEST_WIN64_SEH support and it seems that
this bug is resolved with SEH.
I checked a few times to make sure that this is due to SEH support.

My question is, why? how is it possible that support for SEH exceptions
handling fix OpenDialog issue ?
or perhaps an exception is hidden ? as described in
http://support.microsoft.com/kb/976038

do have you any suggestions ?

Thanks,
Tomek
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