http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58221
--- Comment #1 from Hans-Peter Nilsson <hp at gcc dot gnu.org> --- No significant change in results for regress-446 -> regress-444 for r201882 from r201874 (some libstdc++ changes pass again, but others now fail). Maybe r201883 is the winner; checking.