https://bugs.winehq.org/show_bug.cgi?id=50120
--- Comment #3 from Maciej Stanczew maciej.stanczew+b@gmail.com --- Possibly. They certainly look similar: both happen only on 64-bit clients and are fixed by the same patch.
But technically those are different errors; ClientSdk.dll is used only by Starcraft and Warcraft III. I didn't want to add all the other games to bug 42741 because of that.