https://bugs.winehq.org/show_bug.cgi?id=36401
--- Comment #1 from Austin English austinenglish@gmail.com --- I'm now seeing: ==2344== Conditional jump or move depends on uninitialised value(s) ==2344== at 0x5092598: swapchain_cleanup (swapchain.c:75) ==2344== by 0x5092825: wined3d_swapchain_decref (swapchain.c:108) ==2344== by 0x4FE6166: wined3d_device_uninit_3d (device.c:1090) ==2344== by 0x4D686A2: dxgi_swapchain_Release (swapchain.c:82) ==2344== by 0x4CA4AAD: test_createswapchain (dxgi.h:1733) ==2344== by 0x4CA67B8: func_device (device.c:732) ==2344== by 0x4CA75B8: run_test (test.h:584) ==2344== by 0x4CA79A6: main (test.h:654) ==2344== Uninitialised value was created by a stack allocation ==2344== at 0x4D65B3C: dxgi_factory_CreateSwapChain (factory.c:186) ==2344==