[Bug 56389] 32bit Assassin's Creed game and assassin's creed revelations was unable to run under wow64

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=56389

--- Comment #12 from Hristo Venev <hristo(a)venev.name> ---
I may have found the bug:

If the IO was synchronous, NtReadFile updates the `IO_STATUS_BLOCK` and then
sets the event. Then it does some RPCs, returns, and finally the wow64 shim
updates the `IO_STATUS_BLOCK32`.

The problem here is that the event is already being waited on by another
thread, so it checks the `IO_STATUS_BLOCK32` before the wow64 shim has updated
it.

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