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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [Win] Stack overflow at RefPtr::release"
   href="https://bugs.webkit.org/show_bug.cgi?id=158687#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [Win] Stack overflow at RefPtr::release"
   href="https://bugs.webkit.org/show_bug.cgi?id=158687">bug 158687</a>
              from <span class="vcard"><a class="email" href="mailto:Hironori.Fujii&#64;sony.com" title="Fujii Hironori &lt;Hironori.Fujii&#64;sony.com&gt;"> <span class="fn">Fujii Hironori</span></a>
</span></b>
        <pre>Another callstack by stoping with a breakpoint:

<span class="quote">&gt; WebKit.dll!WTF::RefPtr&lt;WTF::StringImpl&gt;::RefPtr&lt;WTF::StringImpl&gt;(WTF::RefPtr&lt;WTF::StringImpl&gt; &amp;&amp; o) Line 52        C++
&gt; WebKit.dll!WTF::RefPtr&lt;WTF::StringImpl&gt;::release() Line 69        C++
&gt; WebKit.dll!WTF::RefPtr&lt;WTF::StringImpl&gt;::RefPtr&lt;WTF::StringImpl&gt;(WTF::RefPtr&lt;WTF::StringImpl&gt; &amp;&amp; o) Line 52        C++
&gt; WebKit.dll!WTF::RefPtr&lt;WTF::StringImpl&gt;::release() Line 69        C++
&gt; WebKit.dll!WTF::RefPtr&lt;WTF::StringImpl&gt;::RefPtr&lt;WTF::StringImpl&gt;(WTF::RefPtr&lt;WTF::StringImpl&gt; &amp;&amp; o) Line 52        C++
&gt; WebKit.dll!WTF::RefPtr&lt;WTF::StringImpl&gt;::release() Line 69        C++
&gt; WebKit.dll!WTF::RefPtr&lt;WTF::StringImpl&gt;::RefPtr&lt;WTF::StringImpl&gt;(WTF::RefPtr&lt;WTF::StringImpl&gt; &amp;&amp; o) Line 52        C++
&gt; WebKit.dll!WTF::RefPtr&lt;WTF::StringImpl&gt;::release() Line 69        C++
&gt; WebKit.dll!WTF::RefPtr&lt;WTF::StringImpl&gt;::RefPtr&lt;WTF::StringImpl&gt;(WTF::RefPtr&lt;WTF::StringImpl&gt; &amp;&amp; o) Line 52        C++
&gt; WebKit.dll!WTF::RefPtr&lt;WTF::StringImpl&gt;::release() Line 69        C++
&gt; WebKit.dll!WTF::RefPtr&lt;WTF::StringImpl&gt;::RefPtr&lt;WTF::StringImpl&gt;(WTF::RefPtr&lt;WTF::StringImpl&gt; &amp;&amp; o) Line 52        C++
&gt; WebKit.dll!WTF::RefPtr&lt;WTF::StringImpl&gt;::operator=(WTF::RefPtr&lt;WTF::StringImpl&gt; &amp;&amp; o) Line 173        C++
&gt; WebKit.dll!WTF::String::operator=(WTF::String &amp;&amp; other) Line 134        C++
&gt; WebKit.dll!WTF::HashMapTranslator&lt;WTF::HashMap&lt;WTF::String,unsigned int,WTF::StringHash,WTF::HashTraits&lt;WTF::String&gt;,WTF::HashTraits&lt;unsigned int&gt; &gt;::KeyValuePairTraits,WTF::StringHash&gt;::translate&lt;WTF::KeyValuePair&lt;WTF::String,unsigned int&gt;,WTF::String,int&gt;(WTF::KeyValuePair&lt;WTF::String,unsigned int&gt; &amp; location, WTF::String &amp;&amp; key, int &amp;&amp; mapped) Line 185        C++
&gt; WebKit.dll!WTF::HashTable&lt;WTF::String,WTF::KeyValuePair&lt;WTF::String,unsigned int&gt;,WTF::KeyValuePairKeyExtractor&lt;WTF::KeyValuePair&lt;WTF::String,unsigned int&gt; &gt;,WTF::StringHash,WTF::HashMap&lt;WTF::String,unsigned int,WTF::StringHash,WTF::HashTraits&lt;WTF::String&gt;,WTF::HashTraits&lt;unsigned int&gt; &gt;::KeyValuePairTraits,WTF::HashTraits&lt;WTF::String&gt; &gt;::add&lt;WTF::HashMapTranslator&lt;WTF::HashMap&lt;WTF::String,unsigned int,WTF::StringHash,WTF::HashTraits&lt;WTF::String&gt;,WTF::HashTraits&lt;unsigned int&gt; &gt;::KeyValuePairTraits,WTF::StringHash&gt;,WTF::String,int&gt;(WTF::String &amp;&amp; key, int &amp;&amp; extra) Line 932        C++
&gt; WebKit.dll!WTF::HashMap&lt;WTF::String,unsigned int,WTF::StringHash,WTF::HashTraits&lt;WTF::String&gt;,WTF::HashTraits&lt;unsigned int&gt; &gt;::inlineAdd&lt;WTF::String,int&gt;(WTF::String &amp;&amp; key, int &amp;&amp; value) Line 316        C++
&gt; WebKit.dll!WTF::HashMap&lt;WTF::String,unsigned int,WTF::StringHash,WTF::HashTraits&lt;WTF::String&gt;,WTF::HashTraits&lt;unsigned int&gt; &gt;::add&lt;int&gt;(WTF::String &amp;&amp; key, int &amp;&amp; mapped) Line 358        C++
&gt; WebKit.dll!WTF::HashCountedSet&lt;WTF::String,WTF::StringHash,WTF::HashTraits&lt;WTF::String&gt; &gt;::add(WTF::String &amp;&amp; value) Line 194        C++
&gt; WebKit.dll!WebKitClassFactory::WebKitClassFactory(_GUID targetClass) Line 71        C++
&gt; WebKit.dll!DllGetClassObject(const _GUID &amp; rclsid, const _GUID &amp; riid, void * * ppv) Line 105        C++
&gt; WebKit.dll!classFactory(const _GUID &amp; clsid) Line 61        C++
&gt; WebKit.dll!WebKitCreateInstance(const _GUID &amp; rclsid, IUnknown * pUnkOuter, const _GUID &amp; riid, void * * ppvObject) Line 72        C++
&gt; MiniBrowserLib.dll!MiniBrowser::seedInitialDefaultPreferences() Line 171        C++
&gt; MiniBrowserLib.dll!wWinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 117        C++
&gt; MiniBrowserLib.dll!dllLauncherEntryPoint(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 857        C++
&gt; MiniBrowser.exe!wWinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 249        C++
&gt; [External Code]        
&gt; [Frames below may be incorrect and/or missing, no symbols loaded for kernel32.dll]</span ></pre>
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