[Bug bootstrap/46037] --enable-stage1-languages=c,lto --enable-languages=c,lto --with-build-config=bootstrap-lto fails on darwin

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46037

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-10-16 
09:46:38 UTC ---
the optimize attribute isn't used in the preprocessed file but only the
target attribute which is supported.  Thus, "worksforme".