From 695979e6601386bbe342ad5f989aa893815d41c5 Mon Sep 17 00:00:00 2001
From: Eric Wendelin <emwendelin@gmail.com>
Date: Mon, 20 Feb 2012 09:59:20 -0700
Subject: [PATCH] Preventing lack of arguments from breaking IE9, as reported
 by @lpena

---
 stacktrace.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stacktrace.js b/stacktrace.js
index 4d0384d..495ee8f 100644
--- a/stacktrace.js
+++ b/stacktrace.js
@@ -223,7 +223,7 @@ printStackTrace.implementation.prototype = {
     // Safari, IE, and others
     other: function(curr) {
         var ANON = '{anonymous}', fnRE = /function\s*([\w\-$]+)?\s*\(/i, stack = [], fn, args, maxStackSize = 10;
-        while (curr && stack.length < maxStackSize) {
+        while (curr && curr['arguments'] && stack.length < maxStackSize) {
             fn = fnRE.test(curr.toString()) ? RegExp.$1 || ANON : ANON;
             args = Array.prototype.slice.call(curr['arguments'] || []);
             stack[stack.length] = fn + '(' + this.stringifyArguments(args) + ')';