On Mar 21, 2011, at 2:19 PM, Greg Parker wrote:
> On Mar 21, 2011, at 2:06 PM, Kyle Sluder wrote:
>> On Mon, Mar 21, 2011 at 2:03 PM, Greg Parker <gpar...@apple.com> wrote:
>>> You can't currently throw an exception across a forwarded call. When the
>>> exception unwinder hits the forwarding frame, it stops and the exception
>>> goes uncaught. You'll need to put your exception handler at a different
>>> level.
>>
>> Does this limitation exist on the desktop as well?
>
> I'm pretty sure it fails on any platform that uses the modern ABI (iOS and
> 64-bit Mac), but I can't find the bug report at the moment.
>
> (The problem is that the forwarding machinery is hand-written assembly, and
> nobody added hand-written exception unwind tables to match. With "zero-cost"
> exceptions, the unwinder cannot process a frame without its unwind tables.)
I just reported a new bug for it:
9164577
Thanks,
--
Rick
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