+ '(or (cons fixnum single-float) (cons bignum single-float))))
+
+(assert (not (nth-value 1 (subtypep '(and null some-unknown-type)
+ 'another-unknown-type))))
+
+;;; bug 46c
+(dolist (fun '(and if))
+ (assert (raises-error? (coerce fun 'function) type-error)))