From 83a1e1164468f8bf7ad87b67f25becc52eabfa01 Mon Sep 17 00:00:00 2001
From: Kent Hansen <khansen@trolltech.com>
Date: Tue, 30 Jun 2009 18:01:19 +0200
Subject: don't crash if isFunction() is called with invalid JS value

---
 src/script/api/qscriptengine.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/script/api/qscriptengine.cpp b/src/script/api/qscriptengine.cpp
index f6f637d..9849710 100644
--- a/src/script/api/qscriptengine.cpp
+++ b/src/script/api/qscriptengine.cpp
@@ -294,7 +294,7 @@ QString qtStringFromJSCUString(const JSC::UString &str)
 
 bool isFunction(JSC::JSValue value)
 {
-    if (!value.isObject())
+    if (!value || !value.isObject())
         return false;
     JSC::CallData callData;
     return (JSC::asObject(value)->getCallData(callData) != JSC::CallTypeNone);
-- 
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