https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103494
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2021-11-30 Ever confirmed|0 |1 Priority|P3 |P1 CC| |rsandifo at gcc dot gnu.org --- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- Confirmed. Likely caused by Richards SLP support patch though we get here w/o a SLP node. ncopies is "wrong" (or unsupported, the offset type is 'char'). I didn't implement widening for offset, maybe the change unleashed that somehow.