From 3f961bbba04a8cec0ab74f4a13deb4be217da877 Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Thu, 15 Jun 2017 03:28:26 +0800
Subject: compute `uses_arguments` correctly in `figure_out_scope()` (#2099)

fixes #2097
---
 lib/scope.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'lib')

diff --git a/lib/scope.js b/lib/scope.js
index ea43f752..82a935a2 100644
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -197,11 +197,10 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options){
                 }
             }
             var sym = node.scope.find_variable(name);
-            if (node.scope instanceof AST_Lambda && name == "arguments") {
-                node.scope.uses_arguments = true;
-            }
             if (!sym) {
                 sym = self.def_global(node);
+            } else if (sym.scope instanceof AST_Lambda && name == "arguments") {
+                sym.scope.uses_arguments = true;
             }
             node.thedef = sym;
             node.reference(options);
-- 
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