1.0.4.37: Delete some dead code in pack.lisp

[sbcl.git] / src / code / full-eval.lisp

diff --git a/src/code/full-eval.lisp b/src/code/full-eval.lisp
index 56208a0..83c1122 100644 (file)
--- a/src/code/full-eval.lisp
+++ b/src/code/full-eval.lisp
@@ -893,7 +893,8 @@
          (do ((form body (cdr form)))
              ((null form) nil)
            (when (atom (car form))
-             ;; FIXME: detect duplicate tags
+             (when (assoc (car form) tags)
+               (ip-error "The tag :A appears more than once in a tagbody."))
              (push (cons (car form) (cdr form)) tags)
              (push (cons (car form) #'go-to-tag) (env-tags env)))))
        ;; And then evaluate the forms in the body, starting from the