https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61942
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> --- I tried trunk again and still nothing, so maybe only 4.9 is affected. But both 4.9/trunk contain the "nmax = INTVAL (mmax) - INTVAL (mmin);" line...