https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86725
rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2018-07-30 Assignee|unassigned at gcc dot gnu.org |rsandifo at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> --- We're incorrectly treating the wo phi for the outer loop as a reduction, even though it really forms a double induction with the phi in the inner loop.