https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83126
--- Comment #13 from Tom de Vries <vries at gcc dot gnu.org> --- (In reply to Arseny Solokha from comment #12) > I suppose it is fixed. Filed PR85157 - "[parloops] Prevent canonicalize_loop_ivs failure in gen_parallel_loop" to fix this in an optimal way.