From 3983c9f396ca642caec2387bfe76fa6a9ca233f3 Mon Sep 17 00:00:00 2001
From: Kent Hansen <khansen@trolltech.com>
Date: Wed, 15 Jul 2009 14:17:24 +0200
Subject: avoid crashing when attempting to set this-object of global context

---
 src/script/api/qscriptcontext.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/script/api/qscriptcontext.cpp b/src/script/api/qscriptcontext.cpp
index f7ed83e..fc34122 100644
--- a/src/script/api/qscriptcontext.cpp
+++ b/src/script/api/qscriptcontext.cpp
@@ -480,6 +480,10 @@ void QScriptContext::setThisObject(const QScriptValue &thisObject)
                  "a different engine");
         return;
     }
+    if (d->frame == d->engine->globalObject->globalExec()) {
+        qWarning("QScriptContext::setThisObject(): setting this-object of global context is not supported");
+        return;
+    }
     JSC::JSValue jscThisObject = d->engine->scriptValueToJSCValue(thisObject);
     JSC::CodeBlock *cb = d->frame->codeBlock();
     if (cb != 0) {
-- 
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