https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90018
--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> --- Looking at the rev. and the context I figured the original caller was added for a case that can no longer happen (SAME_DR_STMT set, that can never happen since we rewrote interleaving chain detection for GCC 4.9).
