From 7be680d3f8fe0b17d01c8e4aea5a95dcb97b43c8 Mon Sep 17 00:00:00 2001
From: Arnavion <arnavion@gmail.com>
Date: Fri, 12 Sep 2014 21:01:19 -0700
Subject: Don't warn for an unreferenced exception symbol in a catch block.

---
 lib/scope.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/scope.js b/lib/scope.js
index 1ce17fa6..6f29921f 100644
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -532,6 +532,7 @@ AST_Toplevel.DEFMETHOD("scope_warnings", function(options){
         }
         if (options.unreferenced
             && (node instanceof AST_SymbolDeclaration || node instanceof AST_Label)
+            && !(node instanceof AST_SymbolCatch)
             && node.unreferenced()) {
             AST_Node.warn("{type} {name} is declared but not referenced [{file}:{line},{col}]", {
                 type: node instanceof AST_Label ? "Label" : "Symbol",
-- 
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