http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51475
--- Comment #6 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-12-14 09:42:42 UTC --- Right, error-recovery. The problem is, in release-mode the category can easily change. I'm also not 100% sure that all the PRs are properly cat in terms of that, but this is a practical issue.