https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64365
--- Comment #12 from Brooks Moses <brooks at gcc dot gnu.org> --- Thanks, Richard! It looks like I'll need to backport this to our google/gcc-4_9 branch before that happens; any chance you already have a version of this patch that works with 4.9? The wide_int pieces don't exist in 4.9 AFAICT.