http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47612
--- Comment #3 from Ian Lance Taylor <ian at airs dot com> 2011-02-04 21:27:40 UTC --- It's similar to PR 46878 in that this is also CC0 related, but it is different code that is splitting up the CC0 setter and the CC0 user. My sources do include the patch for PR 46878.