(args (cdr form)))
(if (null args)
(byte-compile-form-do-effect t)
- (while (cdr args)
- (byte-compile-form (car args))
+ (byte-compile-and-recursion args failtag))))
+
+;; Handle compilation of a multi-argument `and' call.
+;; We use tail recursion so we can use byte-compile-maybe-guarded.
+(defun byte-compile-and-recursion (rest failtag)
+ (if (cdr rest)
+ (progn
+ (byte-compile-form (car rest))
(byte-compile-goto-if nil for-effect failtag)
- (setq args (cdr args)))
- (byte-compile-form-do-effect (car args))
- (byte-compile-out-tag failtag))))
+ (byte-compile-maybe-guarded (car rest)
+ (byte-compile-and-recursion (cdr rest) failtag)))
+ (byte-compile-form-do-effect (car rest))
+ (byte-compile-out-tag failtag)))
(defun byte-compile-or (form)
(let ((wintag (byte-compile-make-tag))