+(assert-t-t
+ (subtypep '(or simple-array simple-string) '(or simple-string simple-array)))
+(assert-t-t
+ (subtypep '(or simple-string simple-array) '(or simple-array simple-string)))
+(assert-t-t
+ (subtypep '(or fixnum simple-string end-of-file parse-error fixnum vector)
+ '(or fixnum vector end-of-file parse-error fixnum simple-string)))
+
+#+sb-eval
+(assert-t-t
+ (subtypep '(and function (not compiled-function)
+ (not sb-eval:interpreted-function))
+ nil))
+