http://bugs.winehq.org/show_bug.cgi?id=25827
--- Comment #2 from Austin English austinenglish@gmail.com 2011-02-13 04:30:50 CST --- Created an attachment (id=33272) --> (http://bugs.winehq.org/attachment.cgi?id=33272) backtrace
Here's a backtrace from msi/action.c, with clang and -O0.