http://bugs.winehq.org/show_bug.cgi?id=16191
--- Comment #1 from Austin English austinenglish@gmail.com 2010-06-27 22:12:16 --- Confirming in 1.2-rc5. They've got a sample app you can download that simulates a crash. Running that, you then go to the website and see the samples. The two I ran with wine were empty.
You'll need native wininet to get the reports to submit, however.