http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46793
--- Comment #5 from joseph at codesourcery dot com <joseph at codesourcery dot com> 2010-12-03 23:04:52 UTC --- We should disable this option (with a warning) in ix86_option_override_internal if we don't think it can work reliably, rather than leaving it to ICE.
