https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71426
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- This is just weird, I certainly do get ICE with 6.x, and while I don't with 5.x, I get the ICE at the 5.x branch point. So this really doesn't look like a regression to me.