An (OLE32 induced?) crash in our iexplore.exe

0.4.11-RC-22-g2522ec1 gcc dbg linux
performed on VBox 4.3.12 on 2 x 2.3GHz Intel Pentium E5200 45nm

Reproduction steps
-have Gecko installed
-install Tortoise SVN 1.8.12 from rapps
-it will place a link within startmenu to "Website"
-run that link, our iexplore.exe will start up
-it will open a blabla-messagebox about "untrusted certificate. wanna continue?"
-click no
-iexplore.exe will show a blank page
-close it via top-right-x in titlebar

I tried that 10times and every ten times it lead to an unhandled exception in ntdll.
0.4.11-RC-22-g2522ec1__unhandledException.png
0.4.11-RC-22-g2522ec1.log
It did not log then

err:(dll/win32/ole32/marshal.c:1921) IMarshal::ReleaseMarshalData failed with error 0x8001011d

I intended to record a video from that and for another ten of ten times (really whenever I just additionally record a video and therefore change the timing) it did not lead to said exception, but instead it logged everytime

err:(dll/win32/ole32/marshal.c:1921) IMarshal::ReleaseMarshalData failed with error 0x8001011d

I have such a case in the logfile as well, just search for that line.

I deduce, whether we see that crash or not, is timing related.