http://bugs.winehq.org/show_bug.cgi?id=27698
--- Comment #6 from Dan Kegel dank@kegel.com 2012-07-19 23:59:04 CDT --- See further discussion at http://stackoverflow.com/questions/11572845/why-is-visual-c-2010-still-calli...
I now suspect that that entry point in msvcp100.dll is a no-op, and is only there for when the optimizer fails to remove a known do-nothing call.