https://bugs.winehq.org/show_bug.cgi?id=16948
--- Comment #16 from Piotr Caban piotr.caban@gmail.com --- (In reply to Ken Sharp from comment #15)
Was the patch ever accepted?
Yes, the patch I've mentioned was committed.
It's not clear for me if there's a bug. Currently wine behaves the same as Windows XP. On the other hand it would be nice to have support for VirtualStore so the function may work if root path is read-only.