https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86097
--- Comment #5 from rguenther at suse dot de <rguenther at suse dot de> --- On Wed, 20 Jun 2018, vries at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86097 > > --- Comment #3 from Tom de Vries <vries at gcc dot gnu.org> --- > Tentative patch: > ... > diff --git a/gcc/tree-ssa-loop-manip.c b/gcc/tree-ssa-loop-manip.c > index bf425afd436..555842b8420 100644 > --- a/gcc/tree-ssa-loop-manip.c > +++ b/gcc/tree-ssa-loop-manip.c > @@ -1542,7 +1542,7 @@ canonicalize_loop_ivs (struct loop *loop, tree *nit, > bool > bump_in_latc > h) > precision = GET_MODE_PRECISION (mode); > type = build_nonstandard_integer_type (precision, unsigned_p); > > - if (original_precision != precision) > + if (original_precision != precision || type != TREE_TYPE (*nit)) || TYPE_UNSIGNED (*nit) != unsigned_p
