http://bugs.winehq.org/show_bug.cgi?id=58216
--- Comment #3 from yshuiv7@gmail.com --- oh, you are absolutely right, and i was testing with new wow64. and yes, i can reproduce this on old wow.
btw, do you also see a "pure virtual function call" message box before the game crashes? interestingly i see the same thing on proton.