+
+(with-test (:name :bug-586105 :fails-on '(not (and :stack-allocatable-vectors
+ :stack-allocatable-lists)))
+ (flet ((test (x)
+ (let ((vec (make-array 1 :initial-contents (list (list x)))))
+ (declare (dynamic-extent vec))
+ (assert (eql x (car (aref vec 0)))))))
+ (assert-no-consing (test 42))))