There seems to be an issue with this version when decoding interlaced VC-1 content.
First I thought I had [] when it crashed for all 5 blurays I have here, but in fact all 5 are interlaced VC-1 (don't ask me where I get all that [] from^^)
So I had a friend test some files for me: Non-interlaced VC-1 was fine with him, interlaced crashed right after starting the indexing process. (Same as for me)
I had him test this file:
http://www.mediafire.com/?zjm4jyywmdl which happens to be the same you wrote the stream corruption fix for, so I suppose the bug was introduced after this fix
Anything else I can provide to help you spot and annihilate the bug?