https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120218
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- Zen5 saw a similar regression in the same timeframe: https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=1303.437.0&plot.1=1366.437.0&plot.2=1255.437.0&
