http://bugs.winehq.org/show_bug.cgi?id=14078
--- Comment #4 from Dan Kegel dank@kegel.com 2009-10-26 23:17:57 --- Seems to be improved, see http://kegel.com/wine/valgrind/logs/2009-10-26-08.26/diff-oleaut32_tmarshal....
(Although there is now one more leak in that file?)