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      <base href="https://bugs.webkit.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [EFL] ASSERTION FAILED: WTF::isMainThread() in JSC::GCActivityCallback::didAllocate"
   href="https://bugs.webkit.org/show_bug.cgi?id=167921">167921</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[EFL] ASSERTION FAILED: WTF::isMainThread() in JSC::GCActivityCallback::didAllocate
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>WebKit EFL
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>Hironori.Fujii&#64;sony.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>lucas.de.marchi&#64;gmail.com
          </td>
        </tr></table>
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        <div>
        <pre>1) ./Tools/Scripts/run-minibrowser --efl --debug
2) Go to a web page which uses JavaScript, for example &lt;<a href="https://webkit.org/">https://webkit.org/</a>&gt;

ASSERTION FAILED: WTF::isMainThread()
../../Source/JavaScriptCore/heap/GCActivityCallback.cpp(154) : virtual void JSC::GCActivityCallback::didAllocate(size_t)

<span class="quote">&gt; #0  0x00007f6a453f89cf in WTFCrash () at ../../Source/WTF/wtf/Assertions.cpp:323
&gt; #1  0x00007f6a37b41b0d in JSC::GCActivityCallback::didAllocate (this=0x7f6a26bf31e0, bytes=300897) at ../../Source/JavaScriptCore/heap/GCActivityCallback.cpp:154
&gt; #2  0x00007f6a37b4a1d0 in JSC::Heap::updateAllocationLimits (this=0x7f69dec00018) at ../../Source/JavaScriptCore/heap/Heap.cpp:1811
&gt; #3  0x00007f6a37b4809d in JSC::Heap::collectInThread (this=0x7f69dec00018) at ../../Source/JavaScriptCore/heap/Heap.cpp:1187
&gt; #4  0x00007f6a37b56432 in JSC::Heap::Thread::work (this=0x7f6a26bec240) at ../../Source/JavaScriptCore/heap/Heap.cpp:229
&gt; #5  0x00007f6a3816826d in WTF::AutomaticThread::&lt;lambda()&gt;::operator()(void) const (__closure=0x24d6120) at ../../Source/WTF/wtf/AutomaticThread.cpp:215
&gt; #6  0x00007f6a38168656 in std::_Function_handler&lt;void(), WTF::AutomaticThread::start(const LockHolder&amp;)::&lt;lambda()&gt; &gt;::_M_invoke(const std::_Any_data &amp;) (
&gt;     __functor=...) at /usr/include/c++/5/functional:1871
&gt; #7  0x00007f6a434db56a in std::function&lt;void()&gt;::operator()(void) const (this=0x7f69d2ffeb10) at /usr/include/c++/5/functional:2267
&gt; #8  0x00007f6a4541c47c in WTF::threadEntryPoint (contextData=0x7f6a26aa39b0) at ../../Source/WTF/wtf/Threading.cpp:88
&gt; #9  0x00007f6a45461ad6 in WTF::wtfThreadEntryPoint (param=0x7f6a26ab0fd0) at ../../Source/WTF/wtf/ThreadingPthreads.cpp:168
&gt; #10 0x00007f6a34d006ba in start_thread (arg=0x7f69d2fff700) at pthread_create.c:333
&gt; #11 0x00007f6a3d9ed82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109</span ></pre>
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