http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49352
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-06-10 13:08:13 UTC --- Actually, should vect_is_slp_reduction be called at all if check_reduction is false? I think without check_reduction e.g. nothing ensures that code is commutative and associative...
