+;;; bug 231: SETQ did not check the type of the variable being set
+(defun bug231a-1 (x)
+ (declare (optimize safety) (type (integer 0 8) x))
+ (incf x))
+(assert (raises-error? (bug231a-1 8) type-error))
+
+(defun bug231a-2 (x)
+ (declare (optimize safety) (type (integer 0 8) x))
+ (list (lambda (y) (setq x y))
+ (lambda () x)))
+(destructuring-bind (set get) (bug231a-2 0)
+ (funcall set 8)
+ (assert (eql (funcall get) 8))
+ (assert (raises-error? (funcall set 9) type-error))
+ (assert (eql (funcall get) 8)))
+
+(defun bug231b (x z)
+ (declare (optimize safety) (type integer x))
+ (locally
+ (declare (type (real 1) x))
+ (setq x z))
+ (list x z))
+(assert (raises-error? (bug231b nil 1) type-error))
+(assert (raises-error? (bug231b 0 1.5) type-error))
+(assert (raises-error? (bug231b 0 0) type-error))