1 files changed, 7 insertions, 0 deletions
diff --git a/lib/scope.js b/lib/scope.js
index 799b0dc6..600a6869 100644
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -327,6 +327,13 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options) {
                     self.uses_eval = true;
                 }
             }
+            if (sym.init instanceof AST_LambdaDefinition && sym.scope !== sym.init.name.scope) {
+                var scope = node.scope;
+                do {
+                    if (scope === sym.init.name.scope) break;
+                } while (scope = scope.parent_scope);
+                if (!scope) sym.init = undefined;
+            }
             node.thedef = sym;
             node.reference(options);
             return true;