https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115485
--- Comment #15 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Most likely r7-1945-gb88bd5e0ca1208 introduced/exposed the ICE. It changes the behavior of -mno-pic-data-is-text-relative but adding -msingle-pic-base didn't ICE in GCC 6.