+(defun delete-cast (cast)
+ (declare (type cast cast))
+ (let ((value (cast-value cast))
+ (lvar (node-lvar cast)))
+ (delete-filter cast lvar value)
+ (when lvar
+ (reoptimize-lvar lvar)
+ (when (lvar-single-value-p lvar)
+ (note-single-valuified-lvar lvar)))
+ (values)))
+