+;;; TAGBODY
+
+;;; As of SBCL 1.0.1.8, TAGBODY should not accept duplicate go tags,
+;;; yet choked on two duplicate tags. Note that this test asserts a
+;;; failure.
+(with-test (:name :tagbody-dual-go-tags)
+ (progn
+ (defun tagbody-dual-go-tags ()
+ (restart-case
+ (handler-bind ((error (lambda (c)
+ (declare (ignore c))
+ (invoke-restart 'NOT-AN-ERROR))))
+ (tagbody :A :A) nil)
+ (NOT-AN-ERROR () t)))
+ (assert (tagbody-dual-go-tags))))
+
+;;; Ensure that NIL is a valid go tag.
+(with-test (:name :tagbody-nil-is-valid-tag)
+ (progn
+ (defun tagbody-nil-is-valid-tag ()
+ (tagbody (go NIL) NIL) t)
+ (assert (tagbody-nil-is-valid-tag))))
+