(compile nil '(lambda (x) (declare (fixnum x))
(logand most-positive-fixnum (* x most-positive-fixnum))))
+
+;;; bug 256.b
+(assert (let (warned-p)
+ (handler-bind ((warning (lambda (w) (setf warned-p t))))
+ (compile nil
+ '(lambda (x)
+ (list (let ((y (the real x)))
+ (unless (floatp y) (error ""))
+ y)
+ (integer-length x)))))
+ warned-p))
+
+;; Dead / in safe code
+(with-test (:name :safe-dead-/)
+ (assert (eq :error
+ (handler-case
+ (funcall (compile nil
+ '(lambda (x y)
+ (declare (optimize (safety 3)))
+ (/ x y)
+ (+ x y)))
+ 1
+ 0)
+ (division-by-zero ()
+ :error)))))
+
+;;; Dead unbound variable (bug 412)
+(with-test (:name :dead-unbound)
+ (assert (eq :error
+ (handler-case
+ (funcall (compile nil
+ '(lambda ()
+ #:unbound
+ 42)))
+ (unbound-variable ()
+ :error)))))