(values nil t))
((or (unknown-type-p (array-type-element-type type1))
(unknown-type-p (array-type-element-type type2)))
- (multiple-value-bind (equalp certainp)
- (type= (array-type-element-type type1)
- (array-type-element-type type2))
- ;; By its nature, the call to TYPE= should never return
- ;; NIL, T, as we don't know what the UNKNOWN-TYPE will grow
- ;; up to be. -- CSR, 2002-08-19
- (aver (not (and (not equalp) certainp)))
- (values equalp certainp)))
+ (type= (array-type-element-type type1)
+ (array-type-element-type type2)))
(t
(values (type= (array-type-specialized-element-type type1)
(array-type-specialized-element-type type2))