http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53338
--- Comment #4 from Uros Bizjak <ubizjak at gmail dot com> 2012-05-14 09:03:20 UTC --- 20% runtime regression in rnflow [1] happened in this timeframe, perhaps it could be attributed to the patch, mentioned in Comment #2. [1] http://gcc.opensuse.org/c++bench/polyhedron/polyhedron-summary.txt-2-0.html
