http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55522
--- Comment #3 from Andy Lutomirski <luto at mit dot edu> 2012-11-30 01:41:14 UTC --- I'm still unconvinced that it makes sense as part of -funsafe-math-optimizations at all. It's not an "optimization" in the sense that people usually think of when looking at compiler flags.