http://bugs.winehq.org/show_bug.cgi?id=28753
--- Comment #4 from Austin English austinenglish@gmail.com 2011-10-17 18:47:18 CDT --- Of course.
Though it seems that we may need both -fno-omit-frame-pointer and -fno-asynchronous-unwind-tables.
according to Marcus's comment: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46468#c8
FWIW, I compiled wine with a newish gcc (4.6.0 20100812 experimental), and tried winetest. All tests that normally pass for me still pass.