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-rw-r--r--mu.arc3
1 files changed, 3 insertions, 0 deletions
diff --git a/mu.arc b/mu.arc
index 41647517..4ba2a193 100644
--- a/mu.arc
+++ b/mu.arc
@@ -1331,6 +1331,9 @@
         (let (label (_make-br-fn fragment))  rest
           (assert (is 'make-br-fn _make-br-fn))
           (push fragment after*.label))
+
+      ;else
+        (prn "unrecognized top-level " (cons op rest))
       )))
 
 (def freeze (function-table)