https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81192
--- Comment #9 from Tom de Vries <vries at gcc dot gnu.org> --- Created attachment 41656 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41656&action=edit 1 - Fix sigsegv in find_same_succ_bb Essentially the same as the fix in comment 3.