user32_winetest:win crashes with Page fault

Created an attachment (id=5849)
Compressed debug log

Happens in rev 50897
It goes into infinite loop while displaying back trace.

Memory at 0x00080054 could not be written: Page not present.
kdb:> bt
Eip:
<win32k.sys:71250 (include/ddk/wdm.h:8189 (@MsqCleanupMessageQueue@4))>
Frames:
<win32k.sys:71428 (subsystems/win32/win32k/ntuser/msgqueue.c:1575 (@MsqDestroyMe
ssageQueue@4))>
<win32k.sys:400a2 (subsystems/win32/win32k/main/dllmain.c:346 (Win32kThreadCallb
ack@8))>
<ntoskrnl.exe:dfc71 (ntoskrnl/ps/kill.c:693 (PspExitThread@4))>
<ntoskrnl.exe:e0040 (ntoskrnl/ps/kill.c:890 (PsExitSpecialApc@20))>
<ntoskrnl.exe:9004 (ntoskrnl/ke/apc.c:471 (KiDeliverApc@12))>
<ntoskrnl.exe:70be (ntoskrnl/include/internal/arch/../i386/ke.h:690 (@KiServiceE
xit@8))>
<win32k.sys:e6a73 (subsystems/win32/win32k/ntuser/menu.c:0 (@IntCreateMenu@8))>
<ff883628>
<b0464eb0>
<win32k.sys:e6a73 (subsystems/win32/win32k/ntuser/menu.c:0 (@IntCreateMenu@8))>
<win32k.sys:e7153 (/mnt/ramdisk/buildbot/debug/obj/include/psdk/oleidl.h:0 (_SEH
2FrameHandler))>
<b0466604>
<b04665cc>
<b04657cc>
<b0465794>
<b028f834>
<b028f7fc>
<b044f46c>
<b044f434>
<b04635f4>
— Press q to abort, any other key to continue —