https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115255
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- > 0xaa996b df_bb_verify > ../../gcc/gcc/df-scan.cc:4138 THis line is blank in the current trunk (seems like you are testing before r15-752-g7f35863ebbf7ba which is an over week old now).