(:args (value :to :save :scs (descriptor-reg any-reg)))
(:temporary (:scs (non-descriptor-reg)) temp)
(:results (result :scs (descriptor-reg)))
+ (:info stack-allocate-p)
+ (:ignore stack-allocate-p)
(:generator 10
(with-fixed-allocation
(result temp value-cell-header-widetag value-cell-size))