+;;; Sensible error instead of a BUG. Reported by Thomas Burdick.
+(multiple-value-bind (value err)
+ (ignore-errors
+ (defclass slot-def-with-duplicate-accessors ()
+ ((slot :writer get-slot :reader get-slot))))
+ (assert (typep err 'error))
+ (assert (not (typep err 'sb-int:bug))))
+
+;;; BUG 321: errors in parsing DEFINE-METHOD-COMBINATION arguments
+;;; lambda lists.
+
+(define-method-combination w-args ()
+ ((method-list *))
+ (:arguments arg1 arg2 &aux (extra :extra))
+ `(progn ,@(mapcar (lambda (method) `(call-method ,method)) method-list)))
+(defgeneric mc-test-w-args (p1 p2 s)
+ (:method-combination w-args)
+ (:method ((p1 number) (p2 t) s)
+ (vector-push-extend (list 'number p1 p2) s))
+ (:method ((p1 string) (p2 t) s)
+ (vector-push-extend (list 'string p1 p2) s))
+ (:method ((p1 t) (p2 t) s) (vector-push-extend (list t p1 p2) s)))
+(let ((v (make-array 0 :adjustable t :fill-pointer t)))
+ (assert (= (mc-test-w-args 1 2 v) 1))
+ (assert (equal (aref v 0) '(number 1 2)))
+ (assert (equal (aref v 1) '(t 1 2))))
+
+;;; BUG 276: declarations and mutation.
+(defmethod fee ((x fixnum))
+ (setq x (/ x 2))
+ x)
+(assert (= (fee 1) 1/2))
+(defmethod fum ((x fixnum))
+ (setf x (/ x 2))
+ x)
+(assert (= (fum 3) 3/2))
+(defmethod fii ((x fixnum))
+ (declare (special x))
+ (setf x (/ x 2))
+ x)
+(assert (= (fii 1) 1/2))
+(defvar *faa*)
+(defmethod faa ((*faa* string-stream))
+ (setq *faa* (make-broadcast-stream *faa*))
+ (write-line "Break, you sucker!" *faa*)
+ 'ok)
+(assert (eq 'ok (faa (make-string-output-stream))))
+
+;;; Bug reported by Zach Beane; incorrect return of (function
+;;; ',fun-name) in defgeneric
+(assert
+ (typep (funcall (compile nil
+ '(lambda () (flet ((nonsense () nil))
+ (defgeneric nonsense ())))))
+ 'generic-function))
+
+(assert
+ (typep (funcall (compile nil
+ '(lambda () (flet ((nonsense-2 () nil))
+ (defgeneric nonsense-2 ()
+ (:method () t))))))
+ 'generic-function))
+
+;;; bug reported by Bruno Haible: (setf find-class) using a
+;;; forward-referenced class
+(defclass fr-sub (fr-super) ())
+(setf (find-class 'fr-alt) (find-class 'fr-super))
+(assert (eq (find-class 'fr-alt) (find-class 'fr-super)))
+