+ (:fixed
+ ;; KLUDGE: this is very much unsafe, and can leak random stack values.
+ ;; OTOH, I think the :FIXED case can only happen with (safety 0) in the
+ ;; first place.
+ ;; -PK
+ (loop for loc in (ir2-lvar-locs 2lvar)
+ for idx upfrom 0
+ do (vop sb!vm::more-arg node block
+ (lvar-tn node block context)
+ (emit-constant idx)
+ loc)))