https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93344
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2020-01-21 CC| |amker at gcc dot gnu.org, | |matz at gcc dot gnu.org, | |rguenth at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- I believe this is due to our dependence machinery not treating the computation of 'a' and the indexing with i as independent dimensions (&A[j] is just an address computation with no limits on j as far as GIMPLE is concerned).