<html>
    <head>
      <base href="https://bugs.webkit.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - CRASH: CodeBlock::setOptimizationThresholdBasedOnCompilationResult + 567"
   href="https://bugs.webkit.org/show_bug.cgi?id=151892">151892</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>CRASH: CodeBlock::setOptimizationThresholdBasedOnCompilationResult + 567
          </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>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </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>JavaScriptCore
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>msaboff&#64;apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Backtrace like:
   1 com.apple.JavaScriptCore       0x113ea02ce WTFCrash + 0x3e (Assertions.cpp:321)
<span class="quote">&gt;  2 com.apple.JavaScriptCore       0x1138acbb7 JSC::CodeBlock::setOptimizationThresholdBasedOnCompilationResult(JSC::CompilationResult) + 0x237 (DataLog.h:45)</span >
   3 com.apple.JavaScriptCore       0x113c16e4c JSC::JITToDFGDeferredCompilationCallback::compilationDidComplete(JSC::CodeBlock*, JSC::CompilationResult) + 0x8c (JITToDFGDeferredCompilationCallback.cpp:69)
   4 com.apple.JavaScriptCore       0x113aac7d4 JSC::DFG::Worklist::completeAllReadyPlansForVM(JSC::VM&amp;, JSC::DFG::CompilationKey) + 0x104 (DFGCompilationKey.h:74)
   5 com.apple.JavaScriptCore       0x113aaca0e JSC::DFG::Worklist::completeAllPlansForVM(JSC::VM&amp;) + 0x3e (HeapInlines.h:308)
   6 com.apple.JavaScriptCore       0x113aadde8 JSC::DFG::completeAllPlansForVM(JSC::VM&amp;) + 0x38 (DFGWorklist.cpp:453)
   7 com.apple.JavaScriptCore       0x1138ea488 JSC::Debugger::exception(JSC::ExecState*, JSC::JSValue, bool) + 0x68 (JSCInlines.h:66)
   8 com.apple.JavaScriptCore       0x113bc0cb5 JSC::Interpreter::unwind(void*&amp;, JSC::ExecState*&amp;, JSC::Exception*) + 0x155 (Interpreter.cpp:691)
   9 com.apple.JavaScriptCore       0x113bde07a JSC::genericUnwind(JSC::VM*, JSC::ExecState*) + 0x5a (JITExceptions.cpp:57)
  10                                0x00004e6b5a801060 0 + 86222986809440
  11 com.apple.JavaScriptCore       0x113d1ef10 llint_entry + 0x58c7
  12 com.apple.JavaScriptCore       0x113d1ef10 llint_entry + 0x58c7
  13 com.apple.JavaScriptCore       0x113d19439 vmEntryToJavaScript + 0x146
  14 com.apple.JavaScriptCore       0x113bdc7d9 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 0xa9 (JITCode.cpp:82)
  15 com.apple.JavaScriptCore       0x113bc397a JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&amp;, JSC::JSValue, JSC::ArgList const&amp;) + 0x1ba (Interpreter.cpp:946)
  16 com.apple.JavaScriptCore       0x1138947a7 JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&amp;, JSC::JSValue, JSC::ArgList const&amp;, WTF::NakedPtr&lt;JSC::Exception&gt;&amp;) + 0x47 (MarkedBlock.h:250)
  17 com.apple.WebCore              0x114a31dda WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) + 0x3ea (JSMainThreadExecState.h:56)
  18 com.apple.WebCore              0x11467607b WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector&lt;WebCore::RegisteredEventListener, 1ul, WTF::CrashOnOverflow, 16ul&gt;&amp;) + 0x27b (InspectorInstrumentation.h:283)
  19 com.apple.WebCore              0x114675d40 WebCore::EventTarget::fireEventListeners(WebCore::Event*) + 0xe0 (EventTarget.cpp:208)
  20 com.apple.WebCore              0x114675c3d WebCore::EventTarget::dispatchEvent(WTF::PassRefPtr&lt;WebCore::Event&gt;) + 0x5d (PassRefPtr.h:68)
...</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>