1 files changed, 1 insertions, 4 deletions
diff --git a/lib/compress.js b/lib/compress.js
index 591ad4dd..3ac9e74d 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -357,10 +357,7 @@ merge(Compressor.prototype, {
     }
 
     function is_arguments(def) {
-        if (def.name != "arguments") return false;
-        if (!def.scope.uses_arguments) return false;
-        var orig = def.orig;
-        return orig.length == 1 && orig[0] instanceof AST_SymbolFunarg;
+        return def.name == "arguments" && def.scope.uses_arguments;
     }
 
     function is_funarg(def) {